1. Write C++ program to create class his name math, create functions to calculate : a. Area of circle (pi * R^2) b. Tan invers (pi/4) c. Area of a Sphere (4*pi *R-2) Using static member data for pi=3.14 2. Write C++ program to create class his name school, create functions to manage children expenses: a. Number & name of kids. b. School expenses. (for each child you have to pay 500$) Using static member function