Ramp-up mathematics I : foundations of algebra / America's Choice. - Washington, DC : America's Choice, Inc., 2005. - v, 100 pages : illustrations ; 26 cm. Includes index. ISBN: 1-932976-46-9 Pbk, Bp. Subjects--Topical Terms: Algebra. LC Class. No.: QA 154 R36 2005 LC Lib