Prentice Hall Mathematics : pre-algebra / Randall I. Charles ... [et al.]. - Upper Saddle River Pearson Education/Prentice Hall 2004. - xxvii, 886p. ill., col. 28cm Includes index p.866 - 884 ISBN: 0130686085 Subjects--Topical Terms: Mathematics Dewey Class. No.: 513 CHA 2004