Mr chandra bought 2 lbs of cheddar cheese and 3 lbs of chicken loaf. he paid $26.35. mrs hsing paid $18.35 for 1.5 lbs of cheddar cheese and 2 lbs of chicken loaf. what was the price per pound of each item?

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it. bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

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.