Write the complex number in rectangular form.3

A.  + i
B.  + i
C.  + i
D.  + i


Answer: D

Mathematics

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Solve the problem.From a boat on the river below a dam, the angle of elevation to the top of the dam is 21°31'. If the dam is 437 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot)?

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