Answer:
Step-by-step explanation:
Read some notes on reflection. If it asks to reflect it on the x-axis youre going to reflect it either on the bottom or top plane. If it asks to reflect on y-axis youre going to reflect it on either the left or right plane.
The believe the answer is C but I could be wrong, good luck!
Square root of 12 (

)
Square root of 18 (

)
You can multiply these two together to get:

Therefore your answer is 6 square root of 6.