Sophia is flying to New York with her family. The plane ascends to 13,045 feet above sea level. After flying at that altitude, the plane begins to descend at a rate of 250 feet per minute. What is the elevation after 12 minutes?

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How is working backward similar to solving an equation?

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18 }, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.