Question

The radius of a cylinder is 3x - 2 cm. The height of he cylinder is x + 3 cm. What is the surface area of the cylinder? Use the formula A = 2*3.14*r^2 + 2*3.14*rh

Answer 1

http://www.ask-math.com/surface-area-of-cylinder.html this might help

Answer 2

Also can you help with this one?

What is the simplified form of (2x^2 + 4x - 3)(3x + 1)

Answer 3

http://www.chacha.com/question/what-is-the-simplified-form-of-%282x%5E2-%2B-4x-%E2%80%93-3%29%283x-%2B-1%29

Answer 4

Thanks sapphire, can you help with the cylinder one?

Answer 5

the first one let me try

Answer 6

i dont know the first one

Answer 7

ok, but thanks anyway

Answer 8

ur welcome