A girl scout troop wants to earn at least $3,000 by selling girl scout cookies if each box cost $5 and supplies cost $150 write and solve an inequality to show how many boxes of cookies to troops would need to

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.