Hello! The answer should be B: 6i

. Since the square root is above a negative, an imaginary number would come out. Because of this, you can easily recognize that it would be B.
However, if you can't, you could use the calculator to check (ignoring the negatives), 6

is equal to

.
The final answer should be B.
3/4 divided by 1/5 = 3 3/4
Hope that helps :)
(16-x²)+(4-x) or (-x²+16)+(-x+4)
Combine like terms
(-x²+20-x) or (-x²-x+20)
Answer:
A
Step-by-step explanation:
A is the less complicated one and the simplest but also the most efficient and the one that makes the most sense.
16 - x = 4
16 - 12 = 4
x = 12