Let u = <4,8>, v = <-2, 6>. Find u + v.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Identify the number as a rational or irrational.explain. 127

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.