The path of a rotating fan has a diameter of about 18 inches and a
circumference of about 56 inches. the path of a smaller model of the
fan has a circumference of about 9 inches. what is the diameter of the
rotation path of the smaller model? round to the nearest tenth.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane