True or False: (x + 4)(x - 4) = x2 - 8x + 16

If you could answer these your a life saver

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box