Essential algebra
Johnston, C. L. 1911-
Essential algebra C.L. Johnston, Alden T. Willis, Jeanne Lazaris. - 7th ed. - Boston : PWS, 1994. - xv, 650, 99 p. ; 28 cm. - The Johnston-Willis series . - Johnston, C. L. 1911- Carol Lee), Johnston/Willis developmental mathematics series. .
Includes index.
0534944949
94011530
Quadratic equetion
Algebra.
Essential algebra C.L. Johnston, Alden T. Willis, Jeanne Lazaris. - 7th ed. - Boston : PWS, 1994. - xv, 650, 99 p. ; 28 cm. - The Johnston-Willis series . - Johnston, C. L. 1911- Carol Lee), Johnston/Willis developmental mathematics series. .
Includes index.
0534944949
94011530
Quadratic equetion
Algebra.