Please help! ASAP!

Use Green's Theorem to evaluate the following line integral. Assume the curve is oriented counterclockwise. A sketch is helpful. (2y + 1,4x2 -6) . dr, where C is the boundary of the rectangle with vertices (0,0), (2,0), (2,4), and (0,4) $ (2y + 1,4x2 -6) . dr=(Type an exact answer.) C