How to find the measure of each numbered angle

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

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?

If 25% of y is 30, what is 60% of y?