Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Simplify the expression: 
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2.
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Simplify the rational expression: 
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3.
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Simplify the rational expression: 
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4.
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Simplify the expression: 
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5.
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Simplify: 
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6.
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Simplify the rational expression. Use positive exponents. 
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7.
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Simplify the rational expression. Use positive exponents. 
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