1. Algebra and Trigonometry review material from the Department of Mathematics at Vanderbilt University is summarized. Sets of numbers including natural numbers, integers, rational numbers, and real numbers are defined.
2. Operations on sets of numbers like addition, subtraction, multiplication, and division are explained. Properties of these operations such as commutativity, associativity, and distributivity are also covered.
3. Concepts involving inequalities, intervals, and absolute value are introduced. Examples are provided to illustrate key ideas.