What are the independent values
​

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)

∆red ≅ ∆ by rule will give brainiest if possible

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?