​Which of the following is equal to In 15 over In a, algebra homework help

​Which of the following is equal to In 15 over In a, algebra homework help

Which of the following is equal to fraction numerator ln space 15 over denominator ln space a end fraction? Assume a ≠ 1

A. log 15 – log a

B. loga 15

C. log15 a

D. ln 15 – ln a