Find the greatest common factor of 12b^2 and 15b^3

3b^2

Step-by-step explanation:

12b^2=3 b^2 *4

15b^3=3*5*b^2*b

the greatest common factor is 3b^2

3b^2.

Step-by-step explanation:

The GCF of 12 and 15 is 3, and

the GCF of b^2 and b^3 is b^2.

Answer is 3b^2.

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)