Answer:
A . x=13 is the solution of this question.
The opposite is just 1. Positive 1.
Reflection line of reflection y=2
Not too sure could be rotation maybe
2[(∛8)²+1/8*16]
(∛8)² = (∛8) x (∛8) = (∛64) = 4
1/8 *16 = 16/8 = 2
Total expression = 2 * (4+2)= 12