I will mark the brainiest! Please, and thanks! :) (For the second one, just put it down on a piece of paper and upload a pic)

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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.

Can someone me and do the problem plz so i can understand it more better