olesya1
olesya1 olesya1
  • 18-11-2016
  • Mathematics
contestada

I need help with problems 27,28,29,

I need help with problems 272829 class=

Respuesta :

FlashZoom
FlashZoom FlashZoom
  • 18-11-2016
27 is D
28 is 42 hours 
 29 is H
tell me if it is right or not
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