Emma took a taxi from the airport to her house. she paid a flat fee of $5 plus $3.70 per mile. the fare came to $42. for emma's taxi ride, which equation gives the correct distance (d) in miles? a) 5+3.7=42⋅d b) (5+3.7)d=42 c) 5+3.7⋅d=42 d) 5⋅d+3.7=42

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?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?