Add or subtract. Simplify if possible. -  + 

A.
B.
C.
D.


Answer: A

Mathematics

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The table below gives the quantity of a product demanded and the quantity supplied for various prices. Solve the problem.Find the market equilibrium price.

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A. (-?, -7) or (0, 7) B. (-7, 0) or (7, ?) C. (-?, -7) or (7, ?) D. (-7, 0) or (0, 7)

Mathematics