Solve the equation.x3 + 4x2 - 36x - 144 = 0
A. {6, -4}
B. {36, -4}
C. {-6, 6, -4}
D. {-6, 6, 4}
Answer: C
Mathematics
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= 5, find 
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A. 13 B. 2 C. 9 D. Does not exist
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Evaluate the square root and approximate to two decimal places if necessary.- 
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A 9-quart cooling system is checked and found to be filled with a solution that is 10% antifreeze. The desired strength of the solution is 70% antifreeze. How many quarts of solution need to be drained and replaced with pure antifreeze to reach the desires strength?
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Mathematics