The ratio of boys to girls in a church choir is 2:5. There are 9 more girls than boys. How many girls and boys are in the choir?

Write the rational number in lowest terms 99/-15

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

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.