Find the difference 0.6 - 0.1

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

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