Shelly had some money in her pocket. She went to visit her grandmother, who gave her $7.50. Then, Shelly bought a pair of earrings for $12.31 and had $9.94 left. Choose the best answer for Part A and Part B. A. a, b
B. b, c
C. c, d
D. c, b​

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.