Conceptually, you are asking for the additive inverse of 8. By definition, in fact, the additive inverse of a number 
is a number 
such that 
You obtain the additive inverse of a number by switching its sign, so the additive inverse of 8 is -8. In fact, you have
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Radian to degree conversion.
4(pi)/3 degrees= 4(pi)/3 × 180/pi radians
As pi radians= 180 degrees
Dividing both sides by pi :
pi / pi radian= 180/pi degrees
1 radian=180/pi degrees
4 × pi /3 × 180/ pi
pi and pi gets cancelled.
180/3= 60
4× 60
=240 degrees
Answer is option C.
It had to be B
because 6 is subtracted by the number n and the only one that has n-6/ 6-n is B
