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1 The Foundations of Algebra 1.1 The Real Number System 1.2 The Real Number Line 1.3 Algebraic Expressions and Polynomials 1.4 Factoring 1.5 Rational Expressions 1.6 Integer Exponents 1.7 Rational Exponents and Radicals 1.8 Complex Numbers Suppose you asked a friend of yours, who is a physics major, “How long does it take for a
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