Nicole puts a dollar into the vending machine and gets nothing back. she puts in a second dollar and still gets nothing. after her second attempt, she stops trying. this is and example of

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Free points + free ! if answered correctly which of these is not a good tip for passing? a. make sure you are on an area of road where it is legal and safe to pass. b. always drive at a safe speed at or below the speed limit. c. you may reduce your following distance below four seconds when passing. d. make sure there is a safe gap in traffic before you change lanes.

William poole believes economics should be taught in schools because students will learn