Find -3-2 1/3 pls help

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. !

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined