Use properties of logarithms to expand the logarithmic expression as much as possible. log9

A. log97 ?  log9m ÷ log9n
B. log9(7) - log9n
C. log9n - log97 -  log9m
D. log97 +  log9m - log9n


Answer: D

Mathematics

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A. 10.6 mph B. 5.3 mph C. 4.3 mph D. 44 mph

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A.
B.
C.
D.

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