Reference, Microbiology, Algebra, Algebra & Trigonometry 

The Lial series has helped thousands of students succeed in developmental mathematics through its approachable writing style, supportive pedagogy, varied exercise sets, and complete supplements package. With this new edition, the authors continue to provide students and instructors with the best package for learning and teaching support–a book written with student success as its top priority, now with an emphasis on study skills growth and an expanded instructor supplements package.   Introduction to Algebra: Integers; Understanding Variables and Solving Equations; Solving Application Problems; Rational Numbers: Positive and Negative Fractions; Positive and Negative Decimal Numbers; Ratio, Proportion, and Line/Angle/Triangle Relationships; Percent; Measurement; Graphs; Real Numbers, Equations, and Inequalities; Graphs of Linear Equations and Inequalities in Two Variables; Systems of Equations and Inequalities; Exponents and Polynomials; Factoring and Applications; Rational Expressions; Roots and Radicals; Quadratic Equations; Whole Numbers Review   For all readers interested in prealgebra and introductory algebra. - from Amzon