Graph the equation over a one period interval

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. !

When only separate discreet points are graphed it is called?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10