10y=10y
what is the property of equality

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which of the following best describes the delian problem?

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