Factor the following polynomial completely.
-x 2 y 2 + x 4 + 9y 2 - 9x 2

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 term makes it inconsistent y=2x - 4

Triangle xyz has vertices x(1,3), y(0,0)