I need help with this question it’s a practice test

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.

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Which expression is rational? 6. , square root two, square root 14, square root 49