Find the common ratio for each geometric sequence. 1/2, 1, 2, 4, 8

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Find the commission on a $590.00 sale if the commission is 15%.

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.