What is the length of ac ? round to the nearest tenth.

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.