Help ill give u 25 points Find the smallest natural number that when divided by 7 gives remainder 6 and when divided by 9 gives remainder 8

With number 11 ( show how you got the answer)

Which of the following scenarios demonstrates an exponential decay

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