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* 1. Solve:  -12(x-12) = -9(1 +x)

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* 2. If 10x + 2 = 7, what is the value of 2x?

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* 3. A long distance runner does a first lap around a track in exactly 50 seconds. As she tires, each subsequent lap takes 20% longer than the previous one. How long does she take to run 3 laps?

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* 4. Johna buys 100 shares of stock at $100 per share. The price goes up by 10% and he sells 50 shares. Then, prices drop by 10% and he sells his remaining 50 shares. How much did he get for the last 50?

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* 5. The sides of a triangle are equal to integral numbers of units. Two sides are 4 and 6 units long, respectively; what is the minimum value for the triangle's perimeter?

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* 6. A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in 30 minutes. How much faster does she have to work to grade the remaining papers in the allotted time?

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* 7. 5^3 + 4^2=

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* 8. If x^2 - 4 = 45, then x could be equal to

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* 9. What is the greatest integer value of y for which 5y - 20 < 0?

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* 10. For the number set {7, 12, 5, 16, 23, 44, 18, 9, Z}, which of the following values could be equal to Z if Z is the median of the set?

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