PLEASE HELP ASAP! NOTHING WORKS!

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.

For each proportion find the unknown number x 1/5/8=×/15

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red