Which equation is graphed in the diagram below

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

What does independent variable and dependent variable mean in math?