What is the answer?

1/3x + 4 = x - 2

X-intercept=-5 y-intercept=2 the equation of the line is

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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