Answer:
The coordinates of the vertex is (6,4).
Step-by-step explanation:
The vertex is the highest or lowest point on the parabola (curved line).
Answer:
D
Step-by-step explanation:

You either start studying now or you fake it and guess and get lucky or you cheat
I'm assuming you meant does y=12x pass through those coordinates, and if that's the case, then the answer is no.
Hope that helps :)
So measure the pen in meters