How many bags of fertilizer will gregory need

Which statement best describes the polynomial

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?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)