The local high school is having tryouts for a cross country team. the school does not have a track, so the runners run around the school’a football field. the cross country coach determines that the width of the field is seventy yards shorter then the length. show all your work to receive full credit. part a: write an expression that represents the perimeter of the football field. let x represent the length of the football field. include parentheses in your expression next rain equivalent expression that is not included parentheses which property or properties did you not use to simplify explain part b: the cross country coach later determined that the length of the football field is 120 yards are the soonest must run five laps using an answer from park eight to turman the actual number of yards which i think must run in the tryouts in order to make the teams units must complete the laps in six minutes. how quickly must they run each lap part c: rita is the manager of the football team and she has full-time at the task of painting a mask off in the middle of the field the pink that’s neatly in the shape of a square which one side of the painting equals the 5 yards the area square is given to buy the formula a equals as to where is s is the length of the side of where what area of the painting is a square yard