janehoang2012
janehoang2012 janehoang2012
  • 18-08-2021
  • Mathematics
contestada

please help me with this. thanks a lot​

please help me with this thanks a lot class=

Respuesta :

akamna2008 akamna2008
  • 18-08-2021

Answer:

a.2x^2+x-210

b. 21 cm

Step-by-step explanation:

Ver imagen akamna2008
Ver imagen akamna2008
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