Simplify the expression given below.
3+1 −(2−4)

I’m which figure is point g an orthocenter

Triangle xyz has vertices x(1,3), y(0,0)

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?