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Suppose the number of students in one of the classes is :

So ;

_________________________________

So :


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Compare :

Thus :

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It should be C can u help me with one i posted????
Answer:
C.
Step-by-step explanation:
It is the complement of the circle in the square
Okay,
Let the square be Universal set(U) and the circle be A
So
A complement = A' = U-A So
The shaded area is the complement of the circle
(-3,2)
(-2, 1)
(-1, 0) <-----
(0, -1)
(1, -2)
Midpoint is (-1, 0)