Can someone help me please

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.

The graph shown is the graph of which function?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)