Simplify the expression using the order of operations.(2 + 9) ? 7 + [16 ÷ (4 ÷ 4)]
A. 66
B. 81
C. 78
D. 93
Answer: D
Mathematics
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Factor.2n2 + 5n - 63
A. (2n - 9)(9 - 2n) B. (2n - 72)(2n - 9) C. (2n - 9)(n + 7) D. (2n - 9)(n - 7)
Mathematics
Rewrite with rational exponents.
A. 
B. 
C. (xy2z3)1/4
D. 
Mathematics
Solve the quadratic inequality. Graph the solution.s2 - 2s - 15 < 0
A. (-3, 5)
B. (5, ?)
C. (-?, -3) ? (5, ?)
D. (-?, -3)
Mathematics
Determine whether the improper integral is convergent or divergent.
A. Divergent B. Convergent
Mathematics