Answer:
9 should be added to both sides of the equation to complete the square.
Step-by-step explanation:
Given : 
To Find: What number should be added to both sides of the equation to complete the square?
Solution:

Add the square of half of coefficient of x
So, the square of half of coefficient of x = 
So, 




Thus 9 should be added to both sides of the equation to complete the square.
G should be the correct answer
Hope this helps!
2nd
Step-by-step explanation:
8/9 to the second power equals to 64/81. Hope this helps!
The answer is $527 because 32% off is $248