Due to day help a lot of pionts​

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?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Which graph represents the equation y =4x