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Mathematics, 01.07.2019 17:30 palmsalt05

Robert stands atop a 1,380-foot hill. he climbs down, reaching the bottom of the hill in 30 minutes. what is robert’s average rate of elevation change in feet per minute? a. +460 b. +46 c. -46 d. -460

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Robert stands atop a 1,380-foot hill. he climbs down, reaching the bottom of the hill in 30 minutes....
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