Evaluate.- 
A. -21
B. Not a real number
C. 21
D. -220
Answer: A
Mathematics
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Express as a single logarithm and, if possible, simplify. log(t3 + 343) - log(t + 7)
A. log(t2 + 7t + 49)
B.
C. log(t2 - 7t + 49)
D. log(t3 - t + 343)
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Find the area of the figure.
A. 2640
B. 80
C. 80
D. 3760
Mathematics
Find the prime factorization of the composite number.231
A. 32 ? 11 B. 72 ? 3 C. 21 ? 11 D. 3 ? 7 ? 11
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Simplify the right-hand side of the equation.f(x) =
A.
B.
C.
D.
Mathematics