Mike worked 2.25 hours on monday, 2.5 hours on wednesday, and 4.75 hours on saturday. he earns $6.20 and hour. how much did he earn in all?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

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.

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is