Gary learned that the value of his car depreciates by 15% percent per year. which of the following functions best describes the value of his car the year after the car is worth m dollars? a. f(m)=0.15m b. f(m)=0.85m c. f(m)=1-0.15m d. f(m)=1-0.85m

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

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?

How is working backward similar to solving an equation?