The difference between the product of four and a number and 6 in algebric expression

Issof claims that the scale factor is 1/2. which statement about his claim is correct

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?

Have yall ever just farted and was like, i farted.