Pls help me solve this asap i need to submit it soon!!

ive already answered some boxes, but im not sure if they are correct

pls help

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.

27 is what percent of 108? 27 is % of 108

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?