Question

I need HELP!

Answer 1

first simplify the 12/32 part
then know that when dividing variables with exponents you subtract, so
for example (x^5)/(x^2) = x^(5-2) = x^3
therefore for (s^9)/(s^2) = s^(9-2) = s^7

Answer 2

I never learned that.

Answer 3

how about this way