Which ordered pairs in the form (x, y)(x, y) are solutions to the equation
7x−5y=287x−5y=28 ?
select each correct answer.
(7, 9)(7, 9)
(−6, −14)(−6, −14)
(4, 10)(4, 10)
(−1, −7)
explain too

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?