I'm doing a test and I need to know which one right I'll attach a photo of it it's a simple one I just want a second opinion.

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?

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Acircle has a circumference of 28.36 units what is the diameter of the circle