I need help with this question

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.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?