A certain number was multiplied by 7.4 was then taken away from the product. Finally that difference was then divided by 9, resulting in 5. Find the initial number.

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 does the relationship between the mean and median reveal about the shape of the data

What numbers are included in the set of integers? what numbers are not included?