Let u = (-6, 3), v = (1, 9). Find u - v. a (-15, 2) b (-9,-8) c (-5, 12) d (-7, -6)

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

What is the value of x when x + 7 = 21?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?