Answer:
The number missing on the number line is<em> </em><em>(7)!</em>
There should be <em>(2)</em> dots above the number 4.
There should be <em>(4)</em> dots above the number 6.
A good title for the dot plot is;
(<em>Age you lost your first tooth!!!)</em>
<em></em>
-- <u>I hope this helped!!Could i get brainliest if i'm correct please?--</u>