2. Find A if (A-1-21)² = -2 = -21]

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A: Which ofthe following solutions is 1000 times more acidic than baking soda, which has a pH of 9?

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A: here is the solution:

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A: The cost for producing x items is 55x+300 and the revenue for selling x items is 95x-0.5x2.

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A: Solved below

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