An explanation of displacement.
Understanding and predicting gravitational fields.
How to compute the area of a parallelogram using a determinant.
How we measure airspeed, wind, groundspeed, and other variables in navigation.
How to derive the formula for the midpoint of a segment in three dimensions.
How to write the parametric equations of a line segment that goes from point A to point B.
How to write equations describing motion in a straight line given the velocity and the position when t=0.
How to determine whether two lines in space are parallel or perpendicular.
How to find the angle between planes, and how to determine if two planes are parallel or perpendicular.