To which graph does the point (8, -2) belong?

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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?

Add the fractions and simplify 1/2+ 1/3