If there is 11 boys and 13 girls in a room what percent is boys

45.833333333333%

Step-by-step explanation:

hope this helps :)

here u go

Step-by-step explanation:

16.66%

a negative exponent is translated as follows:

so, we have

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)