7 Sets with a defined number of elements are called 8. A method that list the rules that determine whether an object is an element of the set rather than the actual eleme called 9. A set with no element is 10. A method of describing a set in words is called pa sagot pls kailangan ko na​

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?

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?