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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.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal