What is the solution to the system of equation 5x+2y=12
y=-3x+7

A. (13, -2)

B. (1 , 2)

C. (-2 , 13)

D. (2 , 1)

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image