Find all solutions.x3 + 2x2 - 9x - 18 = 0
A. {-3, 3, -2}
B. {-3, 3, 2}
C. {9, -2}
D. {3, -2}
Answer: A
Mathematics
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A. 3
B. 
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D. 
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A. proper B. improper
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Solve the problem.A retailer knows that n games can be sold in a month if the price is 
dollars per game. If he buys each game for $8, and if he wishes to make a profit of at least $160 per month on sales of this game, how many games must he sell each month?
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Mathematics