Which model best fits (-2,-4) (0,2) (1,5)

Find the value of the cosine for angle a

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning