Taylor is competing in a 30 km race. she has already run 12.35 km through a park and swam 3.75 km. she will bike the rest of the way. round each distance to the nearest km. about how far does taylor need to bike to finish the race? a. about 12 km b. about 13 km c. about 14 km d. about 23 km

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