Steps for the problem x-3y=-15x and x=-2y

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

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