Help with the Pythagorean Theorem

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

What is the value of x in the following equation. -x ^3/2 = -27

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks