What number should be added to the expression x^2+12x to change it into a perfect square trinomial?
6
12
18
36

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

Which value is not a solution of 8x^3 – 1 = 0

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.