Need help 8th grade math

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

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.