How do you find the height and base of a a parallelogram if you only know a few sides?

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14

How do i create an equivalent expression that includes parentheses so that the value of the expression is 2 for 3+8-4x2-12