Answer:
b or c
Step-by-step explanation:
ANSWER

EXPLANATION
The given radical is

Remove the perfect square from the second radical.




Subtract the like radicals

A. 176 because if there are 252 total and 76 on the balcony your answer is 252-76.
C is a non terminating decimal.
a = 0.75
b = 0.8
c = 0.333333 (and will never terminate)