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What kind of bond pays interest which is exempt from tax?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest