PLEASE ANSWER ILL TRY AND MARK BRAINLIEST PLEASE AND THANK YOU

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. !

5x−4≥12 or 12x+5≤−4 can you with this problem

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?