The difference between the product of a number and 2 and the quotient of 6 and 2 is 3 find the number

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

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?