Cindy plans to join a gym. A gym membership costs $350 for the year and each exercise class costs an additional $18. Cindy does not want to spend more than $1,000 on the gym for the year. Choose an inequality that can be used to find the maximum number of exercise classes Cindy can take in one year

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.