Respuesta :
[tex]\\ \sf \longmapsto 1+6+(-8)[/tex]
- Downward motion noted as negative and upward is positive.
- Lobby will be 1
[tex]\\ \sf \longmapsto 1+6+(-8)[/tex]
[tex]\\ \sf \longmapsto 1+6-8[/tex]
[tex]\\ \sf \longmapsto 7-8[/tex]
[tex]\\ \sf \longmapsto -1[/tex]
option c is correct