| 1. | The unknown quantities are read from the chart using the same tools.
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| 2. | Multiplication, evolution, and unknown quantities were represented by abbreviations of appropriate terms.
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| 3. | This is mathematically equivalent to multiple unknown quantities that require multiple equations.
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| 4. | As of now, Hance remains a relatively unknown quantity to Purdue fans.
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| 5. | After decades in the public eye, she is hardly an unknown quantity.
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| 6. | But it was still a challenge to play against essentially unknown quantities.
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| 7. | When Pataki chose Ms . McCaughey Ross, she was an unknown quantity.
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| 8. | Chad Pennington, a rookie this season, is still an unknown quantity.
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| 9. | The latest change makes the Italians an unknown quantity for Victory.
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| 10. | Nonetheless, a cautious Paterno said his Nittany Lions still are an unknown quantity.
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