Agarden snail moves 1/6 foot in 1/3 hour. find the speed of the snail in feet per hour

If the discriminant if a quadratic equation is 4 which statement describes the roots?

How can you find the mean absolute deviation (mad) for this set of data?

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