$250 at 20% for 1 year

Let r = 3. what is the value of r + 58?

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)

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?