PLEASE HELP Question : Find The 10th term of the geometry sequence 10,-20,40,...

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.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Solve the triangle. a = 21°, c = 105°, c = 5