David builds a house for his cat using cubes with edges that are 1 ft long. He builds the house by making four layers of cubes. Each layer is made up of 4 rows and 4 columns of cubes. how many cubes does david use for the house

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.