20. a. Use the distributive property to write an equivalent expression for: 3(x - 4y) -2(y + 7x) b. Simplify your answer.

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.