Martha is cycling at a speed of 20 kilometers per hour. how long will it take her to cover a distance of 60 kilometers?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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 simply the result to lowest terms. 2/3 + 2/7= ?