a selection of 3 pad papers 7 notebooks 1 hanging folder cost a total of p329.a selection of 4 pad papers,10 notebooks, and 1 hanging folder cost a total of P441.what is the cost of 1 pad paper,1notebook, and 1 hanging folder?

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.