Which of the following equations have infinetley many solutions? Choose all that apply.
A)−75x+57=−75x+57
B)−57x+57=−75x+75
C)57x+57=−75x−75
D)75x+57=−75x+57

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours