What is the midpoint

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.

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

How is the number of vertices for a prism related to the name of the prism