A number divided by four plus seven is equal to nine

Can someone me out here and the tell me the greatest common factor

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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)