Assignment one Question #1: 4 (Points) Write a C++ program to check whether a character is uppercase or lowercase alphabet. Note: Ask the user to input the needed data. Question #2: 3 (Points) Write a chi program to find the perimeter and area of a rectangle. Note: Ask the user to input the needed data. 3 Question #3: (Points) 1) Read the values of three variables a, b and c, write a program to compute and display the value of X, where c*(a-b) x=1 + xy + +5 a