Graph the solution for following the linear inequality system. Click on the graph until the final results displayed (y> x y<-x)

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

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?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?