Destiny paid $9.60 for a dozen donuts. What is the unit cost for each donut?

Three coins are flipped. what is the probability that there will be at least two tails?

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

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.