An amusement park is holding a contest for people who are in line before 7 00 a m The 42nd person in line wins free admission and so do the six people before and after that person Which graph could be used to determine the winners Difference in Position HORISO ference in Position 9 99 4488885 ITTTTT 45 21 18 15 12 18 24 30 36 42 48 54 60 66 72 78 84 Position in Line Difference in Position ference in Position 12 9 H 6 12 18 24 30 36 42 48 54 60 66 72 78 84 Position in Line