Equation of a parabola that models the values in the table

(hurry! ) which expression is equivalent to the following complex fraction?

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.)

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left