Alliya spent $6.70 on 12 pencils at the store. her cost included $0.46 sales tax. how much did each pencil cost? enter your answer in the box. $?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Me d is also an option but i couldn't get it in the picture

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?