What's the elapsed time between 3: 40 a. m. and 2: 00 p. m.? a. 8 hr. 20 min. b. 11 hr. c. 10 hr. 20 min. d. 1 hr. 40 min. mark for review (will be highlighted on the review page)

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 axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?