Answer:
A.
Explanation:
Simplify the square root to 60 times 4. Do the square root 4 then it is 2 times the square root of 60. You can simplify 60 to 4 times 15. the square root of 4 is 2 and multiply 2 times 2 which is 4. Then you final answer is 4 times the square root of 15. Hope this helps!