What do you mean? I can answer if you rephrase the question.
I think its b but A is also a good answer
What is the question about?
Shelly charges$10 per hour for her babysitting services. Last month Shelly babysat for 15 hours. This month she babysat for n hours.
a. Write an expression using parentheses to describe how much money she made.
b. Given that n= 12, evualte your expression using distributive property.
here you go your answer dear friend