10 Jane is paid a wage of $7.80 per hour. If she works 12 hours at this rate during a week plus 4 hours on a public holiday in the week when she gets paid at time and half, her earnings in the week
are:
A $140.40
B$124.80
3
C$109.20
D $156
E $62.40​

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