4by 6 inch photo is enlarged to a width of 15 inches. what's the new length?

What is the difference between the predicted value and the actual value

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)

Which graph represents the equation y =4x