A recipe for a batch of muffins calls for 13 cup of sugar, 34 cup of flour, and 12 cup of milk. How many total cups of sugar, flour, and milk will be needed for three batches of muffins?

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function. a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.