CONCEPT CHECK Match the expression in Column I with its value in Column II. Choices in Column II may be used once, more than once, or not at all.
I | II |
(a) |−9| | A. 9 |
(b) −(−9) | B. −9 |
(c) − |−9| | C. Neither A nor B |
(d) − |−(−9)| | D. Both A and B |
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