TY - BOOK AU - Kaufmann, Jerome E AU - ED - ED - ED - ED - SN - 2 PY - 1990///; [1990]46 CY - Boston, MA :;Boston, MA PB - PWS-KENT Publishing,;PWS-KENT Publishing KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Algebra.;Trigonometry KW - sears;sears0 N1 - 5 ER -