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Mathematics 8 Online
OpenStudy (anonymous):

Chris’s hike started at an elevation of –12 m. His hike finished at an elevation of 235 m. How much did Chris’s elevation change?

OpenStudy (anonymous):

@saifoo.khan @.Sam.

OpenStudy (anonymous):

@gorv

OpenStudy (k_lynn):

do you know what |-12| is?

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