What is y-x=10 as a polar equation

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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)

The function models the number of accidents