What is the equation for this line? y = 1/2x +3 y = 1/2x -3 y = 2x+3 y = 2x-3

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.

What is the reflection image of (5,-3) across the line y = -x?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?