Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers.log2

A. log2s - log215 -  log2r
B. log215 +  log2r - log2s
C. log215 ?  log2m ÷ log2s
D. log2(15) - log2s

Answer: B

Mathematics

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