Write a C++ program to calculate the area of a rectangle using Class and Constructor. You have to declare a class named as Rectangle. Create data member according to the area of rectangle. Create a parameterized constructor to initialize variables according to the area of rectangle. You have to calculate area using function named as AreaOfRectangle. In int main You must create four objects and initialize different data members. For first object take the data member values as 10 and 20. For second object take the data member values as 20 and 30. For third object take the data member values as 30 and 40. For fourth object take the data member values as 40 and 7.50.   Find the output of 4 different Areas by access the member function.   YOUR OUTPUT SHOULD BE AS FOLLOWS:   Area of Rectangle 1: 200 Area of Rectangle 2: 600 Area of Rectangle 3: 1200 Area of Rectangle 4: 2000

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Task 2: use c++ to Create an employee class, basing it on Task 1. The member data should comprise an int for storing the employee number and a float for storing the employee’s compensation. Member functions should allow the user to enter this data and display it. Write a main() that allows the user to enter data for three employees and display it.

Write program in C++ Language The other solutions on chegg were incorrect! Please read carefully! Write a program that defines and tests a class called COP3014. The class resembles aclassroom. It has the following grading scheme:3 quizzes 20 points each 20%Mid term 100 points 30%Final 100 points 50%Based on the total grade of any student for the course, the letter grade of each student can becomputed as follows:Any grade of 90 or more is an A, any grade of 80 or more (but less than 90) is a B, any grade of70 or more (but less than 80) is a C, any grade of 60 or more (but less than 70) is a D, and anygrade below 60 is an F.This class needs to have some member variables. The first name, last name, the Z-number, thegrades, the total grade and final letter grade are all considered to be private member variablesof this class.The class should also have the following public member functions/procedural attributes that canbring the objects (students of the class) to life and give them some…