Convert the rectangular equation into a polar equation. a) r= 8cos theta

b) r= sqrt8 cos theta

c) r= 8sin theta

d) r= sqrt8 sin theta

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