Help please :/. What is the surface area of a cube where the length of each edge is 4 feet?

A) 12 sq ft
B) 24 sq ft
C) 64 sq ft
D) 96 sq ft

Which number is irrational? a) 16 b) 18 c) 25 d) 36

Anyone know? will mark brainliest if correct!

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table