Verified Answer :

The answer is B : the square root of 25 is 5, because 5x5=25.
So it's 18-5....
Hope I helped :)

apologiabiology

remember
(√(mn))=(√m)(√n)
18-√(-25)
√(-25)=(√-1)(√25)=(√-1)(5)=5√-1
18-5√-1
remember that √-1=i
18-5i

B is the answer

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