The ratio of the radii of two spheres is 2: 5. the volume of the smaller sphere is 192 in3. what is the volume of the larger sphere?

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

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.

Need plz been trying to do it for a long time and still haven’t succeeded