What additional information is needed to prove the triangles are congruent by the sas postulate

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?

Which table represents a linear function? i'll give brainliest to first answer ^'^

How do i put 3(x+7) in distributive property