diff --git a/index.js b/index.js
index fc39606fe..71a1af1f6 100644
--- a/index.js
+++ b/index.js
@@ -44,7 +44,22 @@ class Airplane {
 */
 
 class Person {
-  
+  constructor(name, age) {
+    this.name = name;
+    this.age = age;
+    this.stomach = [];
+  }
+  eat(edible) {
+    if(this.stomach.length < 10){
+      this.stomach.push(edible);
+    }
+  }
+  poop() {
+    this.stomach = [];
+  }
+  toString() {
+    return`${this.name}, ${this.age}`
+  }
 }
 
 /*
@@ -62,9 +77,27 @@ class Person {
 */
 
 class Car {
-  
+  constructor(model, mpg) {
+    this.model = model;
+    this.milesPerGallon = mpg;
+    this.tank = 0;
+    this.odometer = 0;
+  }
+  fill(gallons) {
+    this.tank = this.tank + gallons;
+  }
+  drive(distance) {
+    const drivableMiles = this.tank * this.milesPerGallon
+    if(distance <= drivableMiles){
+    this.odometer = this.odometer + distance;
+    this.tank = this.tank - (distance / this.milesPerGallon);
+  } else {
+    this.odometer = this.odometer + drivableMiles;
+    this.tank = 0;
+    return `I ran out of fuel at ${this.odometer} miles!`
+  }
+}
 }
-
 /*
   TASK 3
     - Write a Lambdasian class.
@@ -79,9 +112,15 @@ class Car {
 */
 
 class Lambdasian {
-  
+  constructor({name, age, location}){
+  this.name = name;
+  this.age = age;
+  this.location = location;
+}
+speak() {
+   return `Hello my name is ${this.name}, I am from ${this.location}.`
+}
 }
-
 /*
   TASK 4
     - Write an Instructor class extending Lambdasian.
@@ -97,8 +136,19 @@ class Lambdasian {
         + `grade` receives a `student` object and a `subject` string as arguments and returns '{student.name} receives a perfect score on {subject}'
 */
 
-class Instructor {
-
+class Instructor extends Lambdasian {
+  constructor({name, age, location, specialty, favLanguage, catchPhrase}) {
+    super({name, age, location, specialty, favLanguage, catchPhrase});
+    this.specialty = specialty;
+    this.favLanguage = favLanguage;
+    this.catchPhrase = catchPhrase;
+  }
+  demo(subject) {
+    return `Today we are learning about ${subject}`
+  }
+  grade(student, subject) {
+    return `${student.name} receives a perfect score on ${subject}`
+  }
 }
 
 /*
@@ -117,8 +167,22 @@ class Instructor {
         + `sprintChallenge` similar to PRAssignment but returns `student.name has begun sprint challenge on {subject}`
 */
 
-class Student {
-   
+class Student extends Lambdasian{
+   constructor ({name, age, location, previousBackground, className, favSubjects}) {
+     super ({name, age, location, previousBackground, className, favSubjects});
+     this.previousBackground = previousBackground;
+     this.className = className;
+     this.favSubjects = favSubjects;
+   } 
+   listSubjects() {
+    return `Loving ${this.favSubjects}`
+   }
+   PRAssignment(subject) {
+    return `${this.name} has submitted a PR for ${subject}`
+   }
+   sprintChallenge(subject) {
+    return `${this.name} has begun spring challenge on ${subject}`
+   }
 }
 
 /*
@@ -135,9 +199,21 @@ class Student {
         + `debugsCode` a method that takes in a student object and a subject and returns `{name} debugs {student.name}'s code on {subject}`
 */
 
-class ProjectManager {
-   
-}
+class ProjectManager extends Instructor {
+   constructor({name, age, location, specialty, favLanguage, catchPhrase, gradClassName, favInstructor}) {
+     super({name, age, location, specialty, favLanguage, catchPhrase, gradClassName, favInstructor});
+     this.gradClassName = gradClassName;
+     this.favInstructor = favInstructor;
+   }
+   standUp(channel) {
+    return `${this.name} announces to ${channel}, @channel standy times!`
+   }
+   debugsCode(student, subject) {
+    return `${this.name} debugs ${student.name}'s code on ${subject}`;
+   }
+  }
+
+
 
 /*
   STRETCH PROBLEM (no tests!)