Find the percentage change: The price was $60. Now it is $40.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

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.

Select all of the following expressions that are equal to 2.5.