Narcisse and aristide have numbers of arcade tokens in the ratio 7 : 3, respectively. narcisse gives aristide some of his tokens, and the new ratio is 6 : 5. what is the least number of tokens that narcisse could have given to aristide? a. 9b. 17c. 21d. 27e. 53

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.