Answer the question below

Asphere has a diameter of 10 in. what is the volume of the sphere?

Write an equation for the function that includes the points (2,100)and (3,100)

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).