Which equation has only one solution (Algebra ll) *URGENT*

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

What could explain what happened when the time was equal to 120 minutes

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two