Ginny wants to know what after school activities each of her friends signed up for so she knows whether she shares the same interests. What is the input, the output, and relation of this?

Asequence is a function whose is the set of natural numbers

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

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?