Whats the anwser to this i really dont know it .

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.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Standard deviation of 19,29,21,22,23