If I have a whole apple that is a mass of 42 g and I cut that apple into four pieces what is the mass of the four pieces

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.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

If i had 1234 apples and 1 banana what is the total amount