How to set up percent problems as proportions.
How to solve proportions.
How to recognize special products of polynomials.
How to solve quadratic equations by factoring.
How to simplify expressions with exponents.
How to multiply monomials and binomials using FOIL.
How to simplify products and quotients involving exponents.
How to simplify products involving zero and negative exponents.
How to find additive and multiplicative inverses.
How to tell if two variables vary inversely.