In the figure shown, AD, CE, and FB intersect at point F? What is the measure of AFE?

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?

Ineed with math stuff it involves graphs

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20