Ivan's position on a Ferris wheel is represented by the graph below where x is time in seconds and y is his distance from the ground. Which interpretations of the graph are true? Choose all that are correct.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).