Please help me if you can

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?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)