Answer:
options B, C, E and F
Step-by-step explanation:
Complex number is a number that has a decimal under the square root.
Option A has a negative outside the square root . So it is not a complex
Option B has a square root (-3) so it is a complex number
Option C has a square root (-16) so it is a complex number
Option D has a negative outside the square root . So it is not a complex
Option E has a square root (-9) so it is a complex number
Option F has a negative fraction under the square root so it is a complex number
