Carly and Rodrigo find fancy 1-foot-square tiles they would like to use for an 8-foot-square portion of their entryway. The tiles cost $20.95 each. How much will it cost Carly and Rodrigo to tile their entryway? Explain your reasoning.

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.