It is 3i.
The square root of -9 is the square root of -1 times the square root of 9.
So: the square root of 9 is 3, and the square root of -1 is called i (this doesn't actually exist, it's just imaginary).
Then, the square root of -9 is 3i.
550=km is what I think it is but not a hundred percent sure
I The answer is B because it’s someone who makes sense and if you divide both new married name is Anna nominators and you will keep James changed able to give you the answer you need
Answer:
It has 3 sides and the measure is 3
Step-by-step explanation:
Answer:
81
Step-by-step explanation:
Its a perfect square and 27*3=81