What are the missing parts that correctly complete the proof? PLEASE HELP Given: Point A is on the perpendicular bisector of PQ

proof: Point A is equidistant from the endpoints of PQ

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Two lines parallel to a third line are parallel to each other. always sometimes or never

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)

I'm confused on this could anyone me and show me what i need to do to solve it.