Need help on this plz

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

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?