evaluate [(1/4) ^-2 - (1/2) ^2]÷(1/12) ^-1
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Step-by-step explanation:
[1/4 x -2 - (1/2) x 2] ÷ 1/12 x -1
[-1/2-1/2 x 2] ÷ 1/12 x -1
(-1/2 -1/1) ÷ -1/12
(-1-2/2) ÷ -1/12
-3/2 ÷ -1/12
-3/2 x -12
-18 answer
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