HIRSCH, Lewis Understanding elementary algebra w ith Geomentry - 6th ed - Belmont Brooks/Cole, Cengage Learning 2006 - xv, 654, ANS28, I5p. ill.(some col.), pic.; 28 cm Includes index ISBN: 978-0-534-99972-8 Subjects--Topical Terms: a course for college students Dewey Class. No.: 512.9 HIR / 22