Afootball team lost 9 yards on its first play. on the next two plays they gained 3 yards and then 6 yards. a. what expression can be written to represent how many yards the football team is from where it started? explain your reasoning. b. how many yards is the football team from where it started? c. suppose that, instead, the football team had gained 3 and 6 yards on its first two plays, and then lost 9 yards on its third play. would the team’s position on the field have been any different from what it was in part a? why or why not?