Math question: Calculate the square root of 25, divide it by 2, subtract 3, multiply by 10, and add the sum to the square root of 16. Round the final result to the nearest whole number.
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What is the period of the function y = 3cos(4x) - 2sin(2x)?
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Question: Convert 2.5 x 10^3 to standard notation and round it to the nearest hundredth.