In a sequence of numbers, a3=3, a4=7, a5=11, a6=15 a7=19. Based on this information, which equation can be used to find the nth term in
the sequence?

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