Solve the system:
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Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?
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The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?
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Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.
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