For a standard normal distribution, find: P(z < c) = 0.8723

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

What is the measure of angle x? a.101 b.158 c.44 d.79

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.