Mr. patrick spends 2/3 of every year in florida. how many months does he spend in florida each year?

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Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.