What's the difference of the two polynomials? (9x²+8x)-(2x²+3x)
A)7x²+5x

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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.

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8