For which value of a does lim x approachs a g(x) not exist?

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. !

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

How do you find the area of a triangle