Mathematics
ejedward8
2015-10-29 21:35:12
Thomas works as an underwater photographer he starts at a position that is 15 feet below sea level he rises 9 feet then descends 12 feet to take a photo of a coral reef write and evaluate an expression to find his position relative to sea level when he took a photo
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Malafronte265
2015-10-29 23:31:50

Sea level = 0 he started at -15, rose to -6, then went down to -18. Hope this helps.  0-15+6-12=18

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