If f(n) = n 2 - n, then f(-4) is . -20 12 -12 20

Find the commission on a $590.00 sale if the commission is 15%.

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

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