PLEASE HELP ASAP

Which of the following describes the graph of {x | 1 < x < 2}?

a. open circles on 1 and 2
b. open circles on 1 and 2, arrows pointing out
c. open circles on 1 and 2, line segment between
d. no solution

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number. 4oz=_ pounds 2. find 1/3 of 66

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?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers