How to define conditional probability.
How to find a vector normal (perpendicular) to a plane given an equation for the plane.
How to solve an interest problem when given the total amount deposited.
How to find the doubling time of a population when the growth rate is given.
How to write equations describing motion in a straight line given the velocity and the position when t=0.
How to find the vector and parametric equations of a line when given two points on the line.
How we identify the equation of a polynomial function when we are given the intercepts of its graph.