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The ratio of red pens to black pens is 2:9, the ratio of black pens to blue pens is 5:4. Show less than 50% of the pens are black
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Simplify each expression. use positive exponents. show work . (x β2 y β4 x 3 ) β2
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The ratio of red pens to black pens is 2:9, the ratio of black pens to blue pens is 5:4. Show less t...
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