I need help with all the questions. T^T

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?

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Which of the following is an equation of a line parallel to the equation y=4x+1?