Help meh pls

What is the missing constant term in the perfect square that starts with x^2 -20x

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.

Two consecutive negative integers have a product of 30. what are the integers?