Can someone help me with question 3 please. Please make sure you actually answer the question and not type something that isn't regarding the question.

Answer:
Option C
Step-by-step explanation:
We can see that these two triangles are similar triangles. And based on the sides we also know triangle ZXY and triangle FDE have a ratio of 3:2. We can find side x by the equation:
3:2=9:x
3x=18
x=6 or option C