What shape has Sides that are next to each other

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

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