Find the value of y for the following system of equations. -x - y = 7

x - y = 9

-8
16
7

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

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

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?