Shawn says that 3.22 is a rational number. Leah says 3.22 is a repeating decimal. Who is correct and why?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

What is the slope of the line shown below?

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.