ysushvwwc ysushvwwc
  • 26-05-2017
  • Mathematics
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I need help is it A B C or D

I need help is it A B C or D class=

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trishinada63
trishinada63 trishinada63
  • 26-05-2017
It's D because -2(-7-7)= -28 and -2(21-7)=-28
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tunahan
tunahan tunahan
  • 26-05-2017
The answer has to be d 
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