Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 4zj + 7yk, c is the curve of intersection of the plane x + z = 3 and the cylinder x2 + y2 = 36.

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

i think the answer is tomato juice? not entirely sure though