cristie68
cristie68 cristie68
  • 11-09-2020
  • Mathematics
contestada

can someone help me please help help help please!!! ​

can someone help me please help help help please class=

Respuesta :

browniebear13
browniebear13 browniebear13
  • 11-09-2020

Answer:

part b is -y1

Step-by-step explanation:

its like subtracting regular numbers just add y so 1-2=-1 then add y so =-1y

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