The area of a bookshelf is 216 square inches if the length of the bookshelf is 36 inches what is the width of the bookshelf?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Can someone me with the property questions for 12 13 and 14 plz

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.