Three swimmers from each school were at a swim meet. If ten schools participated, which number expression could be used to find the number of swimmers at the meet ? A. 10+3

B. 10-3

C.10 x 3

D.10 divided by 3

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.