Abaseball player made six hits in nine innings. what is the ratio of hits to innings? a. 2: 3 c. 2: 5 b. 3: 2 d. 5: 2

Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.