Perform the indicated operation. Assume that all variables are nonnegative.(4 + 7
)2
A. 16 + 56
+ 49n
B. 16 + 49n
C. 16 - 49n
D. 16 - 56
+ 49n
Answer: A
Mathematics
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Use a sum or difference identity to find the exact value.
A. 
B. 
C. 
D. 
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Simplify.
A. 
B. 
C. 
D. 
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Find the logarithm. Give an approximation to four decimal places.ln 14,800,000
A. 4.9972 B. 0.0604 C. 7.1703 D. 16.5101
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