If P = {−1, 1, 3} and Q = {−5, −3, 0, 6, 9}, find P ∩ Q.

2.5.1 Write the vector, parametric, and symmetric equations of a line through a given point in a given direction, and a line through two given points.

2.5.2 Find the distance from a point to a given line.

2.5.3 Write the vector and scalar equations of a plane through a given point with a given normal.

2.5.4 Find the distance from a point to a given plane.

2.5.5 Find the angle between two planes.

Step-by-step explanation:

When a solid can be mapped onto itself by a reflection in a plane, it has reflectional symmetry.

Step-by-step explanation: