Tim ran a quarter mile five times yesterday. The table above shows the time of each run, in minutes and seconds. For example, the time 1:07 represents 1 minute and 7 seconds. What is the range, in seconds, of the times of times five runs?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min