Simplify.
3
A. 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Evaluate the improper integral.
A. 12 B. 6 C. 4 D. 0
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Evaluate the factorial expression.
A. 10 B. 720 C. 1 D. 210
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Solve the inequality and write the solution set in interval notation.4x > 0
A. (-?, 0) B. ? C. (0, ?) D. (-?, ?)
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Solve the system by using the inverse of the coefficient matrix.-5x + 3y = 83x - 6y = -30
A. {(-6, -2)} B. {(6, 2)} C. {(2, 6)} D. {(-2, -6)}
Mathematics