Mathematics ; - Vogeli, Bruce R.; Krulik, Stephen; Rudnick, Jesse; Bragg, Sadie C.; Champagne, Ruth I.; Goldin, gerald A.; Grimsley, Edith E.; Gustafson, Deborah B.; LeBlanc, john F.; McKillip, William D.; Prevost, Fernand J. (Silver burdett, 1987)