Yu, nailah, and elena each bought between 7 and 9 yards of ribbon. yu bought 3 pieces of ribbon. nailah bought 5 pieces of ribbon. elena bought 6 pieces of ribbon. the lengths of ribbons are given below. drag ribbons to the box below each person's name to show what they could have bought. clear check draggable item draggable item draggable item yu: 3 pieces nailah: 5 pieces elena: 6 pieces

Twelve less than a number is at most 20

Which of the following is equal to the rational expression when x is not equal to -2 or -6?

Runners run around the school's football field. the cross country coach determines that the width of the field is seventy yards shorter than the length. 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, write an equivalent expression that does not include parentheses. what property or properties did you use to simplify? explain. part b the cross country coach later determines that the length of the football field is 120 yards. all students must run five laps. using your answer from part a, determine the actual number of yards that each athlete must run in the tryouts. in order to make the team, students must complete the laps in 6 minutes. how quickly must they run each lap?