Help pls
the picture is in the bottom

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Ineed with the quizzes in apex mathematics ii

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