Write a rule for the function whose graph can be obtained from the given parent function by preforming the given transformations

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?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?