1. Sketch the region R between

2. Let F(x) =

Pls answer both questions

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?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class