What is the value of the expression ∣a−r⋅p∣−r when a=2, r=4, and p=3?

Which system of linear inequalities is graphed? can somebody pleasssse

What is the the greatest common factor ?

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