diff --git a/index.js b/index.js
index bdafe4c8b..177573326 100644
--- a/index.js
+++ b/index.js
@@ -24,7 +24,7 @@ function addNumbers(num1, num2) {
 // 👇 COMPLETE YOUR WORK BELOW 👇
 
 /**
- * ### Challenge `sayGoodbye`
+* ### Challenge `sayGoodbye`
  * 
  * @instructions
  * This function should take an a name as an argument,
@@ -35,10 +35,10 @@ function addNumbers(num1, num2) {
  * the returned value should look like: 'Goodbye, Andy. Have a great day.'
  * 
 */
-function sayGoodbye(/* code here */) {
-  /* code here */
+function sayGoodbye (noah){
+  return  (`Goodbye, ${noah}. Have a great day.`);
 }
-
+console.log(sayGoodbye)
 /**
  * ### Challenge `temperatureCtoF`
  * 
@@ -53,10 +53,12 @@ function sayGoodbye(/* code here */) {
  * Hint 1: The formula for converting celsius to fahrenheit is t*9/5 + 32 where t is the temperature in celsius.
  * Hint 2: There is a very easy way to round numbers in JS. Do a google search to find out how. 
 */
-function temperatureCtoF(/* code here */) {
-  /* code here */
+function temperatureCtoF(celsius) {
+  let fahrenheit
+  fahrenheit = celsius * 9 / 5 + 32;
+  return Math.round (fahrenheit);
 }
-
+temperatureCtoF(24);
 /**
  * ### Challenge `temperatureInF`
  * 
@@ -74,9 +76,14 @@ function temperatureCtoF(/* code here */) {
  * 
  * Hint: You can call your `temperatureCtoF` function from inside `temperatureInF`.
 */
-function temperatureInF(/* code here */) {
-  /* code here */
-}
+function temperatureInF(temp, unit) {
+  if (unit =='F'){
+    return `${temp}${unit}`;
+  }else{
+      return `${temperatureCtoF(temp)}F`;
+    }
+  }
+
 
 
 /**
@@ -95,10 +102,10 @@ function temperatureInF(/* code here */) {
  *   email: "leia@leia.com",
  * }
 */
-function makePersonObject(/* code here */) {
-  /* code here */
+function makePersonObject(id, name, email){
+  return {id, name, email};
 }
-
+console.log(makePersonObject('5', 'Leia', 'leia@leia.com'));
 /**
  * ### Challenge `getName`
  * 
@@ -112,10 +119,10 @@ function makePersonObject(/* code here */) {
  * 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(person) {
+  return `Hello, my name is ${person.name}`
 }
-
+console.log(getName)
 
 /**
  * ### Challenge `appleIndex`
@@ -132,10 +139,15 @@ function getName(/* code here */) {
  * passing in [ 'orange', 'grape', 'apple', 'banana', 'mango' ] as the argument,
  * the returned value should be: 2.
 */
-function appleIndex(/* code here */) {
-  /* code here */
+function appleIndex(fruits) {
+  for (let i = 0; i < fruits.length; i++){
+    if (fruits[i] === 'apple'){
+      return i
+    }
+  }
 }
 
+
 /**
  * ### Challenge `isItAnApple`
  * 
@@ -151,8 +163,16 @@ function appleIndex(/* code here */) {
  * 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 */) {
-  /* code here */
+function isItAnApple(fruits) {
+  let temporaryArray = []
+  for (let i = 0; i < fruits.length; i++){
+    if (fruits[i] === 'apple'){
+      temporaryArray.push(true)
+    } else {
+      temporaryArray.push(false)
+    }
+  }
+  return temporaryArray
 }
 
 
@@ -210,9 +230,10 @@ function get3rdCar(inventory) {
  * it will return `This is a Lincoln Navigator`.
 */
 function getCarInfoByIndex(inventory, index) {
-  /* code here */
+  let the1st = inventory[0];
+  return `This is a ${the1st.car_make} ${the1st.car_model}`
 }
-
+console.log(getCarInfoByIndex)
 /**
  * ### Challenge `getLastCarInfo`
  * 
@@ -224,8 +245,10 @@ 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 */) {
-  /* code here */
+function getLastCarInfo(inventory) {
+  let last = inventory.length;
+
+  return `This is a ${inventory[last-1].car_make} ${inventory[last-1].car_model}`
 }
 
 /**
@@ -237,8 +260,12 @@ function getLastCarInfo(/* code here */) {
  *     (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 */) {
-  /* code here */
+function getModelYears(inventory) {
+  let years = []
+  for (let i = 0; i < inventory.length; i++){
+    years[i] = inventory[i].car_year
+  }
+  return years
 }
 
 /**