I’ll give brainliest to whoever can answer right first. Answers have to be correct tho

Astudent simplified a rational expression as shown.

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?

What is the length and width of a 84.5 square foot rug? will mark