Question Angela plans on reading 7 books this year. If there are 12 books on her reading list to choose from, how many different
book choice combinations are possible?

What statement is true? 2x^2-9x+2=-1

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.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd