jeffreydaboy
jeffreydaboy jeffreydaboy
  • 03-04-2017
  • Mathematics
contestada

I need help with 20 and 21

I need help with 20 and 21 class=

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BabyGirl4Life14
BabyGirl4Life14 BabyGirl4Life14
  • 03-04-2017
For number 20 just see what can be multiplied and get 9 has the answer, but idk 21 sry i tried 
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haizsalami
haizsalami haizsalami
  • 03-04-2017
21:
F(x) = 12x- 65.50
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