Can sb pls answer this for me im having a really hard time

Which of the following lines is not parallel to the graph of y = 4x +7?

This is different from the first one can someone me

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?