Write as the sum and/or difference of logarithms. Express powers as factors. log11

A. log₁₁pq - log₁₁19
B. log₁₁p + log₁₁q - log₁₁19
C. log₁₁p + log₁₁q - log₁₁19
D. log₁₁p ? log₁₁q ÷ log₁₁19

Answer: C

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