Prealgebra & introductory algebra / Elayn Martin-Gay. Prealgebra and introductory algebra Martin-Gay, K. Elayn, 1955- 8981 Arithmetic Textbooks. 8982 Algebra Textbooks. 743 QA107.2 .M39 2008 512 22 Includes index. Upper Saddle River, N.J. : Pearson, 2005. 2005. 2008 Text various paging: eng