What is the equation of (0, 10), (1, 40), (2, 160), (3, 640)

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265