Which of these is not an e-reader

What is the main purpose of completing a certification program? o a. to become eligible for a bachelor's degree o b. to receive a general education o c. to learn a specific skill for a particular career field o d. to do research in a particular career field

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

In 2009, roughly of people age 12 or older who did not drink alcohol were current users of illegal drugs. a. 4% b. 10% c. 13% d. 20%