3 Simplity the following rotic's = 4:16​

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Write an equation for the function that includes the points (2,100)and (3,100)