Solve the quadratic inequality. Graph the solution.(x - 4)(x + 9) > 0
A. (-9, ?)
B. (-9, 4)
C. (-?, -9) ? (4, ?)
D. (-?, -4) ? (9, ?)
Answer: C
Mathematics
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A. 191.79 B. 3953.367 C. 198.11 D. 144.81
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Construct a truth table for the compound statement.~[(w ? s) ? q]
A. 
B. 
C. 
D. 
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Solve the problem.If n(A ? B) = 64, n(A ? B) = 20, and n(A) = n(B), find n(A).
A. 22 B. 42 C. 32 D. 10
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Mathematics