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Simplify the expression.
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1.
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2.
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If  , find  .
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3.
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Solve  .
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Find the slope of the line that passes through the pair of points.
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4.
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(2, –3), (–5, 1)
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Solve the inequality. Graph the solution on a number line.
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5.
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What is the solution to the syestem of equations?
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6.
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Simplify. Assume that no denominator is equal to zero.
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7.
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Find the product.
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8.
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