Find the volume of the region bounded above by the upper hemisphere of the sphere x^2 y^2 (z-1)^2

What is the product of the radical expression. (7-2square root) (8+2 square root)

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function

Can someone explain to me how to do