# algebra 1

a submarine descended to a level 230m below the surface of the ocean. later it ascended 95m and then dove 120m. what was the new depth of the submarine?

230m -95m + 120m = ??

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1. 255m

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2. The stock of facebook opened at \$32 per share. It lost \$5 that day, dropped another \$3 on tuesday, but then gained \$4 on wednesday and another \$2 on thursday. On Friday it was unchanged. What was its closing price for the week?

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