Solve.log4 (x + 9) + log4 (x - 9) = 3
A. 
B. 
C. 
D. 145
Answer: C
Mathematics
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If the following number is a composite number, write it as a product of prime factors. Otherwise, identify it as prime.126
A. 14 ? 3 ? 3 B. 2 ? 3 ? 3 ? 7 C. 2 ? 3 ? 7 D. 2 ? 2 ? 3 ? 3 ? 7
Mathematics
Rewrite as a single logarithm.
log2 x4 + 
log2 x4 - 
log2 x
A. 
log2 x8
B. log2 x7
C. log2 x9/2
D. log2 x17/6
Mathematics
Solve the problem.How many different vertical arrangements are there of 8 flags if 4 are white, 3 are blue, and 1 is red?
A. 12 B. 280 C. 19 D. 70
Mathematics
Solve the problem.The stock market gained 46 points on Tuesday and lost 24 points on Wednesday. It had closed on Monday at 2590 points. Where did the market close on Wednesday?
A. 2568 points B. 2660 points C. 2520 points D. 2612 points
Mathematics