The area of a square is 81 square centimeters. What is the perimeter of the square?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

The radius of a sphere is 3 inches. which represents the volume of the sphere?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)