12y x6
My Teacher told me To answer this and she will give me 30 points

What is the quadric regression equation that fits these data

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?

What situation is an example of an observational study