knightzane
knightzane knightzane
  • 10-01-2019
  • Mathematics
contestada

help with one homework question for all

help with one homework question for all class=

Respuesta :

PhillSwift
PhillSwift PhillSwift
  • 10-01-2019

Answer:

21 m

Step-by-step explanation:

P= a+b+c

so it be 9+7.5+4.5 = 21

9-1.5 = 7.5

9/2 = 4.5

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