Of the last 60 people who went to the cash register at a department store , 14 had blonde hair , 17 had black hair , 26 had brown hair and 3 had red hair . determine the empirical probability that the next person to come to the cash register has black hair

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

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder