12/2 , because 12 divided by 2 is 6
Answer:
Option C. 
Step-by-step explanation:
we know that
The discriminant of a quadratic equation of the form
is equal to

in this problem we have
so

substitute



Well you could multiply 432 by 0.75, or you can divide it by 4 and then multiply it by 3. Either way your answer is 324.
93% of 149
10% of 149 = 14,9
93% of 149 > 90% of 149
93% of 149 > 149 - 14,9 ≈ 149-15≈134
> 134
⇒ the answer is D