The total temperature change over 3 days in gritty city was −6 degrees celsius. what was the average temperature change each day?

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. !

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What is the area of the trapezoid shown ?