Answer:
The scanning electron microscope
Step-by-step explanation:
The scanning electron microscope can determine the proximity to a discharging firearm and/or the contact with a surface exposed to GSR
<h2><u><em>36x squared - 16y squared </em></u></h2>
The answer is 4.148, I hope that helps!
I say the third one because the end-points start where they are supposed to start/ end.
