Chef Barnie compared the size of two round kitchen plates. One plate has a diameter of 8 inches and one plate has a diameter of 14 inches. What is the difference in the area of the two plates?

Which of the following are parts of a sphere

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?