Aren has an empty coin jar. She adds two dimes, three quarters, and six nickels into a money jar. The next day, she removes two quarters and four nickels. a. Write an expression to show the amount of money in the jar after the two days.

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Can someone answer this question? : )

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?