Las distintas posibilidades que tiene un agricultor al sembrar 115 arboles en filas de igual numero de arboles

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.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.