Answer:
(6,32)
Step-by-step explanation:
The easier way to find the vertex is writing the equation as follow :

where (h,k) is the vertex
your equation is in the form of :

The easier way is to complete squares:

So the vertex is (6,32
Looks like D to me but i could be wrong. Did you try image reversing?
Answer:
This is 4-3
Step-by-step explanation: