Boxes have dust and wear. Several dvds have a little bit of wear, but sets appear to be barely used, if at all.
Unit A - Operations and Expressions
Unit B - Equations and Inequalities of One Variable
Unit C - Equations and Inequalities of Two Variables and Functions
Unit D - Polynomials and Quadratic Equations
Unit E - Rational and Radical Equations
Unit F - Data Analysis, Probability, and Statistics
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