Myla is the editor of her school's newspaper. She wants 25% of the articles in the next edition of the paper to be about her school's sports teams. If there are 20 articles in the next edition of the paper, how many of those articles should be about the school's sports teams?

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

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.

What is the inverse of the function f(x) = 2x + 1?