diff --git a/index.js b/index.js
index 3a474a3f4..38f6517d8 100644
--- a/index.js
+++ b/index.js
@@ -11,7 +11,7 @@
  * the returned value should be 8.
  *
  * NOTE: This example has been completed for you.
-*/
+ */
 function addNumbers(num1, num2) {
   return num1 + num2;
 }
@@ -35,11 +35,14 @@ function addNumbers(num1, num2) {
  * passing 'Andy' as the argument,
  * the returned value should look like: 'Goodbye, Andy. Have a great day.'
  * 
-*/
-function sayGoodbye(/* code here */) {
+ */
+function sayGoodbye(name) {
   /* code here */
+  console.log(`Goodbye, ${name}. Have a great day.`)
 }
 
+sayGoodbye("Cameron")
+
 /**
  * ### Challenge `temperatureCtoF`
  * 
@@ -53,11 +56,18 @@ function sayGoodbye(/* code here */) {
  * 
  * Hint 1: The formula for converting celsius to fahrenheit is t*9/5 + 32 where t is the temperature in celsius.
  * Hint 2: There is a very easy way to round numbers in JS. Do a google search to find out how. 
-*/
-function temperatureCtoF(/* code here */) {
+ */
+function temperatureCtoF(celsius) {
   /* code here */
+
+  let convert = celsius * 9 / 5 + 32;
+  return Math.round(convert);
+
 }
 
+console.log(temperatureCtoF(24))
+
+
 /**
  * ### Challenge `temperatureInF`
  * 
@@ -74,11 +84,24 @@ function temperatureCtoF(/* code here */) {
  * the returned value should be: '75F'
  * 
  * Hint: You can call your `temperatureCtoF` function from inside `temperatureInF`.
-*/
-function temperatureInF(/* code here */) {
-  /* code here */
+ */
+function temperatureInF(temperature, unit) {
+
+  if (unit === "C") {
+    function temperatureCtoF(C) {
+      const convert = C * 9 / 5 + 32;
+      return Math.round(convert);
+    }
+    console.log(temperatureCtoF(temperature, "C") + "C");
+  } else if (unit === "F") {
+    return temperature + "F"
+
+  }
 }
 
+console.log(temperatureInF(88, "C"));
+
+
 
 /**
  * ### Challenge `makePersonObject`
@@ -95,10 +118,18 @@ function temperatureInF(/* code here */) {
  *   name: "Leia",
  *   email: "leia@leia.com",
  * }
-*/
-function makePersonObject(/* code here */) {
+ */
+function makePersonObject(id, name, email) {
   /* code here */
+  const person = {
+    id,
+    name,
+    email
+  }
+  return person;
 }
+console.log(makePersonObject(5, "Cameron", "cameron@email.com"));
+
 
 /**
  * ### Challenge `getName`
@@ -112,11 +143,18 @@ function makePersonObject(/* code here */) {
  * For example, if we invoke `getName`
  * passing { id: 1, name: 'Leia', email: 'leia@leia.com` } as the argument,
  * the returned value should look like `Hello, my name is Leia`.
-*/
-function getName(/* code here */) {
-  /* code here */
+ */
+function getName(name) {
+  name = {
+    id: 1,
+    name: "Cameron",
+    email: "cameron@email.com"
+  };
+  return `Hello, my name is ${name.name}`;
 }
 
+console.log(getName())
+
 
 /**
  * ### Challenge `appleIndex`
@@ -132,11 +170,15 @@ function getName(/* code here */) {
  * For example, if we invoke `appleIndex`
  * passing in [ 'orange', 'grape', 'apple', 'banana', 'mango' ] as the argument,
  * the returned value should be: 2.
-*/
-function appleIndex(/* code here */) {
+ */
+function appleIndex(arr) {
   /* code here */
+  const fruits = ['orange', 'grape', 'apple', 'banana', 'mango'];
+  return fruits.indexOf(arr)
 }
 
+console.log(appleIndex('apple'));
+
 /**
  * ### Challenge `isItAnApple`
  * 
@@ -151,47 +193,135 @@ function appleIndex(/* code here */) {
  * For example, if we invoke `isItAnApple`
  * passing in [ 'orange', 'apple', 'banana', 'apples', 'apple', 'mango' ] as the argument,
  * the returned value should be: [ false, true, false, false, true, false ].
-*/
-function isItAnApple(/* code here */) {
+ */
+//
+const fruits = ['orange', 'grape', 'apple', 'banana', 'mango'];
+
+function isItAnApple(arr) {
   /* code here */
+  const newFruit = []; //New empty array created
+  for (let i = 0; i < arr.length; i++) { //iterate though fruits array 
+    if (arr[i] === 'apple') { //condition for index of fruits array
+
+      newFruit.push(true); //Push boolean true into newFruit array
+    } else {
+      newFruit.push(false); // else Push boolean false into newFruit array
+    }
+  }
+
+  return newFruit; // return result 
 }
+console.log(isItAnApple(fruits));
+
+
+
 
 
 
 
 // ⭐️ Example Test Data ⭐️
 
-var inventory = [
-  { id: 1, car_make: "Lincoln", car_model: "Navigator", car_year: 2009 },
-  { id: 2, car_make: "Mazda", car_model: "Miata MX-5", car_year: 2001 },
-  { id: 3, car_make: "Land Rover", car_model: "Defender Ice Edition", car_year: 2010 },
-  { id: 4, car_make: "Honda", car_model: "Accord", car_year: 1983 },
-  { id: 5, car_make: "Mitsubishi", car_model: "Galant", car_year: 1990 },
-  { id: 6, car_make: "Honda", car_model: "Accord", car_year: 1995 },
-  { id: 7, car_make: "Smart", car_model: "Fortwo", car_year: 2009 },
-  { id: 8, car_make: "Audi", car_model: "4000CS Quattro", car_year: 1987 },
-  { id: 9, car_make: "Ford", car_model: "Windstar", car_year: 1996 },
-  { id: 10, car_make: "Mercedes-Benz", car_model: "E-Class", car_year: 2000 },
-  { id: 11, car_make: "Infiniti", car_model: "G35", car_year: 2004 },
-  { id: 12, car_make: "Lotus", car_model: "Esprit", car_year: 2004 },
-  { id: 13, car_make: "Chevrolet", car_model: "Cavalier", car_year: 1997 },
-  { id: 14, car_make: "Dodge", car_model: "Ram Van 1500", car_year: 1999 }
+var inventory = [{
+    id: 1,
+    car_make: "Lincoln",
+    car_model: "Navigator",
+    car_year: 2009
+  },
+  {
+    id: 2,
+    car_make: "Mazda",
+    car_model: "Miata MX-5",
+    car_year: 2001
+  },
+  {
+    id: 3,
+    car_make: "Land Rover",
+    car_model: "Defender Ice Edition",
+    car_year: 2010
+  },
+  {
+    id: 4,
+    car_make: "Honda",
+    car_model: "Accord",
+    car_year: 1983
+  },
+  {
+    id: 5,
+    car_make: "Mitsubishi",
+    car_model: "Galant",
+    car_year: 1990
+  },
+  {
+    id: 6,
+    car_make: "Honda",
+    car_model: "Accord",
+    car_year: 1995
+  },
+  {
+    id: 7,
+    car_make: "Smart",
+    car_model: "Fortwo",
+    car_year: 2009
+  },
+  {
+    id: 8,
+    car_make: "Audi",
+    car_model: "4000CS Quattro",
+    car_year: 1987
+  },
+  {
+    id: 9,
+    car_make: "Ford",
+    car_model: "Windstar",
+    car_year: 1996
+  },
+  {
+    id: 10,
+    car_make: "Mercedes-Benz",
+    car_model: "E-Class",
+    car_year: 2000
+  },
+  {
+    id: 11,
+    car_make: "Infiniti",
+    car_model: "G35",
+    car_year: 2004
+  },
+  {
+    id: 12,
+    car_make: "Lotus",
+    car_model: "Esprit",
+    car_year: 2004
+  },
+  {
+    id: 13,
+    car_make: "Chevrolet",
+    car_model: "Cavalier",
+    car_year: 1997
+  },
+  {
+    id: 14,
+    car_make: "Dodge",
+    car_model: "Ram Van 1500",
+    car_year: 1999
+  }
 ]
 
 /**
-  * ### Example Array Challenge:
-  * 
-  * @instructions
-  * get3rdCar() should return the string `The is a Land Rover Defender Ice Edition`
-  * 
-  *
-  * NOTE: This example has been completed for you.
-**/
-function get3rdCar(inventory) {
+ * ### Example Array Challenge:
+ * 
+ * @instructions
+ * get3rdCar() should return the string `The is a Land Rover Defender Ice Edition`
+ * 
+ *
+ * NOTE: This example has been completed for you.
+ **/
+function get3rdCar(inv) {
   const the3rd = inventory[2];
   return `The is a ${the3rd.car_make} ${the3rd.car_model}`
 }
 
+console.log(get3rdCar(2));
 // 👇 COMPLETE YOUR WORK BELOW 👇
 // 👇 COMPLETE YOUR WORK BELOW 👇
 // 👇 COMPLETE YOUR WORK BELOW 👇
@@ -208,11 +338,329 @@ function get3rdCar(inventory) {
  * 
  * For example, if getCarInfoByIndex is invoked with the inventory and the number 0,
  * it will return `This is a Lincoln Navigator`.
-*/
-function getCarInfoByIndex(inventory, index) {
+ */
+
+
+
+function getCarInfoByIndex(inv, index) {
   /* code here */
+
+  // 1st paramter must be inventory
+  // 2nd paramter must be arr=this.car_make
+
+  const cars = inventory[inv]
+  const cars2 = inventory[index]
+  return `The is a ${cars.car_make} ${cars2.car_model}`
+
 }
 
+console.log(getCarInfoByIndex(0, 0));
+
+
+
+
+/*----------------------------------------------------------------*/
+const data = [{
+    id: 1,
+    car_make: "Lincoln",
+    car_model: "Navigator",
+    car_year: 2009
+  },
+  {
+    id: 2,
+    car_make: "Mazda",
+    car_model: "Miata MX-5",
+    car_year: 2001
+  },
+  {
+    id: 3,
+    car_make: "Land Rover",
+    car_model: "Defender Ice Edition",
+    car_year: 2010
+  },
+  {
+    id: 4,
+    car_make: "Honda",
+    car_model: "Accord",
+    car_year: 1983
+  },
+  {
+    id: 5,
+    car_make: "Mitsubishi",
+    car_model: "Galant",
+    car_year: 1990
+  },
+  {
+    id: 6,
+    car_make: "Honda",
+    car_model: "Accord",
+    car_year: 1995
+  },
+  {
+    id: 7,
+    car_make: "Smart",
+    car_model: "Fortwo",
+    car_year: 2009
+  },
+  {
+    id: 8,
+    car_make: "Audi",
+    car_model: "4000CS Quattro",
+    car_year: 1987
+  },
+  {
+    id: 9,
+    car_make: "Ford",
+    car_model: "Windstar",
+    car_year: 1996
+  },
+  {
+    id: 10,
+    car_make: "Mercedes-Benz",
+    car_model: "E-Class",
+    car_year: 2000
+  },
+  {
+    id: 11,
+    car_make: "Infiniti",
+    car_model: "G35",
+    car_year: 2004
+  },
+  {
+    id: 12,
+    car_make: "Lotus",
+    car_model: "Esprit",
+    car_year: 2004
+  },
+  {
+    id: 13,
+    car_make: "Chevrolet",
+    car_model: "Cavalier",
+    car_year: 1997
+  },
+  {
+    id: 14,
+    car_make: "Dodge",
+    car_model: "Ram Van 1500",
+    car_year: 1999
+  },
+  {
+    id: 15,
+    car_make: "Dodge",
+    car_model: "Intrepid",
+    car_year: 2000
+  },
+  {
+    id: 16,
+    car_make: "Mitsubishi",
+    car_model: "Montero Sport",
+    car_year: 2001
+  },
+  {
+    id: 17,
+    car_make: "Buick",
+    car_model: "Skylark",
+    car_year: 1987
+  },
+  {
+    id: 18,
+    car_make: "Geo",
+    car_model: "Prizm",
+    car_year: 1995
+  },
+  {
+    id: 19,
+    car_make: "Oldsmobile",
+    car_model: "Bravada",
+    car_year: 1994
+  },
+  {
+    id: 20,
+    car_make: "Mazda",
+    car_model: "Familia",
+    car_year: 1985
+  },
+  {
+    id: 21,
+    car_make: "Chevrolet",
+    car_model: "Express 1500",
+    car_year: 2003
+  },
+  {
+    id: 22,
+    car_make: "Jeep",
+    car_model: "Wrangler",
+    car_year: 1997
+  },
+  {
+    id: 23,
+    car_make: "Eagle",
+    car_model: "Talon",
+    car_year: 1992
+  },
+  {
+    id: 24,
+    car_make: "Toyota",
+    car_model: "MR2",
+    car_year: 2003
+  },
+  {
+    id: 25,
+    car_make: "BMW",
+    car_model: "525",
+    car_year: 2005
+  },
+  {
+    id: 26,
+    car_make: "Cadillac",
+    car_model: "Escalade",
+    car_year: 2005
+  },
+  {
+    id: 27,
+    car_make: "Infiniti",
+    car_model: "Q",
+    car_year: 2000
+  },
+  {
+    id: 28,
+    car_make: "Suzuki",
+    car_model: "Aerio",
+    car_year: 2005
+  },
+  {
+    id: 29,
+    car_make: "Mercury",
+    car_model: "Topaz",
+    car_year: 1993
+  },
+  {
+    id: 30,
+    car_make: "BMW",
+    car_model: "6 Series",
+    car_year: 2010
+  },
+  {
+    id: 31,
+    car_make: "Pontiac",
+    car_model: "GTO",
+    car_year: 1964
+  },
+  {
+    id: 32,
+    car_make: "Dodge",
+    car_model: "Ram Van 3500",
+    car_year: 1999
+  },
+  {
+    id: 33,
+    car_make: "Jeep",
+    car_model: "Wrangler",
+    car_year: 2011
+  },
+  {
+    id: 34,
+    car_make: "Ford",
+    car_model: "Escort",
+    car_year: 1991
+  },
+  {
+    id: 35,
+    car_make: "Chrysler",
+    car_model: "300M",
+    car_year: 2000
+  },
+  {
+    id: 36,
+    car_make: "Volvo",
+    car_model: "XC70",
+    car_year: 2003
+  },
+  {
+    id: 37,
+    car_make: "Oldsmobile",
+    car_model: "LSS",
+    car_year: 1997
+  },
+  {
+    id: 38,
+    car_make: "Toyota",
+    car_model: "Camry",
+    car_year: 1992
+  },
+  {
+    id: 39,
+    car_make: "Ford",
+    car_model: "Econoline E250",
+    car_year: 1998
+  },
+  {
+    id: 40,
+    car_make: "Lotus",
+    car_model: "Evora",
+    car_year: 2012
+  },
+  {
+    id: 41,
+    car_make: "Ford",
+    car_model: "Mustang",
+    car_year: 1965
+  },
+  {
+    id: 42,
+    car_make: "GMC",
+    car_model: "Yukon",
+    car_year: 1996
+  },
+  {
+    id: 43,
+    car_make: "Mercedes-Benz",
+    car_model: "R-Class",
+    car_year: 2009
+  },
+  {
+    id: 44,
+    car_make: "Audi",
+    car_model: "Q7",
+    car_year: 2012
+  },
+  {
+    id: 45,
+    car_make: "Audi",
+    car_model: "TT",
+    car_year: 2008
+  },
+  {
+    id: 46,
+    car_make: "Oldsmobile",
+    car_model: "Ciera",
+    car_year: 1995
+  },
+  {
+    id: 47,
+    car_make: "Volkswagen",
+    car_model: "Jetta",
+    car_year: 2007
+  },
+  {
+    id: 48,
+    car_make: "Dodge",
+    car_model: "Magnum",
+    car_year: 2008
+  },
+  {
+    id: 49,
+    car_make: "Chrysler",
+    car_model: "Sebring",
+    car_year: 1996
+  },
+  {
+    id: 50,
+    car_make: "Lincoln",
+    car_model: "Town Car",
+    car_year: 1999
+  }
+]
 /**
  * ### Challenge `getLastCarInfo`
  * 
@@ -223,10 +671,15 @@ function getCarInfoByIndex(inventory, index) {
  * 
  * For example, if getLastCarInfo is invoked passing the inventory inside /data/inventory.js,
  * it will return `This is a Lincoln Town Car`.
-*/
-function getLastCarInfo(/* code here */) {
+ */
+function getLastCarInfo(inv) {
   /* code here */
+
+
+  console.log(`This is a ${data[inv.length-1].car_make},${data[inv.length-1].car_model}`)
+
 }
+getLastCarInfo(data)
 
 /**
  * ### Challenge `getModelYears`
@@ -236,11 +689,24 @@ function getLastCarInfo(/* code here */) {
  * getModelYears takes a single argument:
  *     (1) an array which is an inventory of cars like the one inside /data/inventory.js.
  * getModelYears returns an array containing all the 'car_year's in the inventory.
-*/
-function getModelYears(/* code here */) {
+ */
+
+
+function getModelYears(inv) {
   /* code here */
+
+  const years = [];
+
+  for (let i = 0; i < inv.length; i++) {
+    years.push(inv[i].car_year)
+  }
+
+  return years;
 }
 
+console.log(getModelYears(data));
+
+
 /**
  * ### Challenge `getCarInfoById`
  *  * * THIS ONE IS A STRETCH GOAL. ATTEMPT IT ONLY AFTER
@@ -254,11 +720,18 @@ function getModelYears(/* code here */) {
  * 
  * For example, if getCarInfoById is invoked with the inventory and the number 1,
  * it will return `This is a Lincoln Navigator`.
-*/
-function getCarInfoById(/* code here */) {
+ */
+function getCarInfoById(make, model) {
   /* code here */
+
+  const MAKE = Object.values(data)[make].car_make;
+  const MODEL = Object.values(data)[model].car_model;
+
+  return `This is a ${MAKE} ${MODEL}`
 }
 
+console.log(getCarInfoById(0, 0));
+
 /**
  * ### Challenge `getOlderCars`
  * * THIS ONE IS A STRETCH GOAL. ATTEMPT IT ONLY AFTER
@@ -272,10 +745,18 @@ function getCarInfoById(/* code here */) {
  * getOlderCars returns an array containing all the cars
  * with a `car_year` which is at most the given desired max year,
  * in the same order as they appear in the original inventory.
-*/
-function getOlderCars(/* code here */) {
-  /* code here */
+ */
+function getOlderCars(cars, years) {
+
+  let newCars = [];
+  for (let i = 0; i < cars.length; i++) {
+    if (cars[i] < years.length - 1) {
+      newCars.push(cars[i].car_year);
+    }
+  }
+  return newCars;
 }
+console.log(getOlderCars(data, 2000));
 
 /**
  * ### Challenge `getGermanCars`
@@ -289,8 +770,8 @@ function getOlderCars(/* code here */) {
  * getGermanCars returns an array containing all the cars
  * made by either `Audi` or `Mercedes-Benz` or `Volkswagen` or `BMW`,
  * in the same order as they appear in the original inventory.
-*/
-function getGermanCars(/* code here */) {
+ */
+function getGermanCars( /* code here */ ) {
   /* code here */
 }
 
@@ -306,8 +787,7 @@ function getGermanCars(/* code here */) {
  *     it has a `drive` method that takes a distance as its argument, and
  *         (1) causes the odometer in the object to be increased by the distance,
  *         (2) returns the updated value of the `odometer`.
-*/
-function carMaker(/* code here */) {
+ */
+function carMaker( /* code here */ ) {
   /* code here */
-}
-
+}
\ No newline at end of file