VECTORS QUESTION: R, S, Q and P are the midpoints of OC, CB, BA and OA respectively. OR = a, CS = b and OP = c

Show that RS is parallel to PQ. I will award brainliest. Please help!

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.