Find the lateral area of a regular square pyramid if the base edges are of length 12 and the perpendicular height is 8.Find the lateral area of a regular square pyramid if the base edges are of length 12 and the perpendicular height is 8.

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