PLZ THIS IS DUE Is triangle ABC: A(2, -1), B(5, -1) C(5, 3), a right triangle? Explain in at least 5-7 sentences at a minimum.

With: label the vertices and all the elements needed. find x

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

Sketch one cycle if the cosine function y=2cos2theta