Use the given transformation to evaluate the integral. ff (20x 4. 15y} M, where R is the parallelogram with veruoes (-2, 8), (2, 73), (3, 77), and (71, 9); x = %{u + v), y = %{v - 4a) R 1400 x Need Help? i m W l W ' Use the given transformation to evaluate the integral. ff 3x2 #4, where R is the region bounded by the ellipse 16x2 + 9y'2 = 144; x = 3n' y = 4v R Sl' I Need Help? ii Evaluate the given integral by making an appropriate change of variables. Sxy 9 10 File) x Need Help? i i i ff 2 L31 dA, where R is the parallelogram enclosed by the liner. x - 3y = 0, x 3y = 7, 8x - y = 9, and Bx - y = 10 R