Mathematics
Mathematics, 04.07.2019 21:40, carsyn2016

An elevator started on the ground floor. it went up 4 floors, down 4 floors, up 8 floors, and down 2. which expression matches the scenario? a= |+4|-|-4|-|+8|-|-2| b= (++) c= (+4)+(-4)+(+8)+(-2) d= |+4|+|-4|+|+8|+|-2|

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An elevator started on the ground floor. it went up 4 floors, down 4 floors, up 8 floors, and down 2...

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