Find n(A) for the set A.A = {x?x ? N and 17 ? x ? 25}
A. 43
B. 7
C. 42
D. 9
Answer: D
Mathematics
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Graph the system of inequalities.y ? - x2 - 6x - 4y ? x2 + 6x + 4
A. 
B. 
C. 
D. 
Mathematics