lauras school is selling tickets to a choral performance. on the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38.

Wrote and expression for the difference of p and 4

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

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.