Bottom right! You are correct. :)
15m + 2n, first you have to pair the matching variables, 8m and 7m along with the sign in front of them. so 8m(+7m), you would then add those then do the same with the other, +4n(postive) and -2n, so subtract 2 from 4 and get 2. put them together and it’s 15m+2
Step-by-step explanation:
the past photographers used to setup time while the present photographers and even a selfie's
Hello!
When you dividing exponents with the same base you can subtract the exponents
7 - 2 = 5
The answer is

Hope this helps!