McCombs, Mark Instructor's solutions manual algebra & trigonometry, 7th ed., Sullivan/ Algebra & trigonometry Mark McCombs. - 7th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, c2005. - viii, 771 p. : ill.; 29 cm. ISBN: 0131430890 Subjects--Topical Terms: Algebra.