What is the man doing? ging seats on the plane. B.Asking for a window seat. C.Trying to find his ——青夏教育精英家教网—

摘要：What is the man doing? ging seats on the plane. B.Asking for a window seat. C.Trying to find his seat.

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A semipro baseball league has teams with 21 players each. League rules state that a player must be paid at least ＄15，000，and that the total of all players’ salaries for each team cannot exceed ＄700，000. What is the maximum possible salary，in dollars，for a single player？

A. 270，000 B. 385，000 C. 400，000 D. 430，000 E.700，000

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For real numbers ａ and b， define a＄b＝（a－b）. What is （x－y）＄（y－x）？______