Pls help overdue 20 points and brainliest to who answers first

Need on this one asap im almost done with this subject

What is r i 4.5+10r=-6.5 with work pls

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.