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Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²
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Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
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Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.
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Pls help me this is urgent
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