How do you solve for x?

2(x - 3)^2 - 32 = 0

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Average acceleration: i have no idea how to do this.

For what value of (y) is 3^3/3^y =1/9