How would you put this y= -3/2x as a linear function on a graph

Given: ac and db are diameters. m∠3=

Which of the binomials below is a factor of this trinominal? x^2-13+30

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?