Total surface area? Help.

I dont know if this is correct but try it! the answer is 30cm

Step-by-step explanation:

do 10x3

245.04

Step-by-step explanation:

A=2πrh+2πr2

=2·π·3·10+2·π·32

=245.04423

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb