Please help solve this

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?

Which expression shows the sum of the polynomials with like terms grouped together

What rotation was applied to triangle def to create d’e’f’?