What is the complement of 76 degrees

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.

Can some one explain this i got sent this. is this a threat i’m scared

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table