Sadie has a cousin nanette in germany. both families recently bought new cars and the two girls are comparing how fuel efficient the two cars are. sadie tells nanette that her family’s car is getting 42 miles per gallon. nanette has no idea how that compares to her family’s car because in germany mileage is measured differently. she tells sadie that her family’s car uses 6 liters per 100 km. which car is more fuel efficient? explain everything

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool

Find the domain and range of the following function f(x) = 51x - 21+ 4