2) A rectangular prism has a Volume V. A second rectangular prism with edges twice the length of the edges of the first, has a volume which differs from that of the first prism by:

A) V

B) 3V

C) 5V

D) 7V

3) A hollow cylinder, open at one end and closed at the other, has a length of b cm and a base radius of r cm. If it is to be painted both inside and outside, the painted area to be covered is:

4) The volume of the right prism below is

5) The cube has edges 10 cm long. Calculate the volume of the pyramid PWXZ