Need to know if it is tor f

The triangles are similar. what is the value of x? show your work.

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

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)