What is the product of (2x-3)(x+7)

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Find the area of the regular hexagon if a side is 20 cm.

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.