Algebra is one of the broad parts of mathematics, together with number theory, geometry and analysis. In its most general form algebra is the study of symbols and the rules for manipulating symbols and is a unifying thread of all of mathematics.

## Algebra & Trigonometry – Michael Sullivan – 9th Edition

Sullivanâ€™s time-tested approach focuses students on the fundamental skills they need for the course: preparing for class, practicing with homework,…