Which equation represents a proportional relationship a)y=7x^2 or b)y=2+3x or c)y=1/2x or d)y=5-x

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.

896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

How many solutions does the nonlinear system of equations graphed bellow have?