9(5c+4)
which of the following is equivalent to that
I need the answer

Which statement about perfect cubes is true

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.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles