olivia is trying to decide between two cell phone plans plan a is $45 dollars a month plus $3 for each GB of data plan b is 25 dollars plus 5 dollars for each gb of data please explain your solution in words

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.

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

I’m still confused on how to work the percentages