Which two graphs pass through the point (3, 7)

Which expression shows the sum of the polynomials with like terms grouped together

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels