Christina wrote this expression to describe the amount of money she has. 10 × y which situation could be described by this expression? a. christina only has dimes, but she does not know how many dimes she has. b. christina only has quarters, but she does not know how many quarters she has. c. christina only has nickels, but she does not know how many nickels she has. d. christina only has pennies, but she does not know how many pennies she has. question resources

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.