PLEAASEEE HELP !!

Question: Which relationship below represents Y as a function of X ?

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 ratio of the length of an object in yards to the length of the same object in miles?

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.