The length of the missing side

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 angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years