PLEASE SOMEONE HELP ME WITH THIS QUESTION I DONT GET IT ITS DUE TODAY

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

With finding limits of multi variable !