Please help me!! Use the identities

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

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

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