HELP PLS THIS I HARD ANYONE

Every time you drive you will experience a combination of driving conditions and environments.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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.