Give an example of an integer that is not a natural number.
give an example of a real number that is not a rational number
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If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Do, h = (7, 9) (14, 18) the scale factor is

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?