04.05the mean shoe size of the students in a math class is 7.5.most of the shoe sizes fall within 1 standard deviation, orbetween a size 6 and a size 9.what is the standard deviation of the shoe size data for themath class? o 1.5o 27o 3.0o 3.8mark this and returnsave and exitnextஅபமார்

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.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Which one is the correct answer, and why?