Please factor each problem and submit the answer in Perfect Square Trinomial Form. Thank you so much!

x^2-6x+9

4M^2-4M+1

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 describes horizontal cross section of the right rectangle 6m 8m 5m

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?