Which fraction represents the shaded part of the grid?

How do you convert 1.27 to a percentage

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?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup