Solve.
+ y2 = 9 
A. (
, 2), (0, -3)
B. (-
, 2), (
, 2), (0, 3)
C. (
, 2), (0, 3)
D. (-
, 2), (
, 2), (0, -3)
Answer: D
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Remove the parentheses and simplify, if possible.( 7n3 - 13n + 6) - ( 9n2 + 9n + 12)
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