Factor completely.

3x^2 −147=

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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.

Simplify this expression. 8x 16(x + y)