Please solve.

10. Safety regulations require airplanes to be at least a half a mile apart when in the sky. Two planes are flying above Cleveland with the coordinates (300, 150, 30000) and (450, -250, 28000), where the coordinates are given in feet. If a firework was launched and exploded directly in between the two planes, what are the coordinates of the firework explosion? Are the two planes in violation of the safety regulations? Explain. UPLOAD YOUR WORKING IN THE LAST QUESTION. (2 Points)