Help with geometry?? Volume, surface area?? 2 questions!

I have 3 questions on my study guide (test monday) and I cant figure them out. Theyre for bonus points and I really need them. HELP? (:
6. Find the surface area and volume of a prism with a square base that is 5 cm by 5 cm and is 10 cm tall.
7. Find the surface area and volume of a cylinder with diameter 22 in and height 15 in.

thanks for your help!

1) The surface area is 250 cm^2
The volume is also 250 cm^3

2) The surface area is 1796.99 in^2
The volume is 5701.99 in^3