Would -d^3/3 technically equal -1/3d^3

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Evaluate the expression. (9 + 5)(3 + 2)0

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.