-12x-3=-51 what is answer

Divide. write in the simplest form. 4 1/6 divided by 10

Corresponding angles are a. always b. sometimes c. never congruent

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.