Find the value of x?

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)