For the point P(14, -19) and Q(21, -14), find the distance d(P, Q) and the coordinates of the midpoint M of the segment PQ.

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

What numbers are included in the set of integers? what numbers are not included?

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.