Who else like going fishing with the guys and not having to listen to the wife nag

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

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?

Write the slope intercept equation for line ab.