arianaccadeggd arianaccadeggd
  • 19-09-2017
  • Mathematics
contestada

Can someone help me with a b and c

Can someone help me with a b and c class=

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Rawknowledge24
Rawknowledge24 Rawknowledge24
  • 27-09-2017
A is 1 i would show you to work but i use a calculator 
  
b is confusing 

for c i just got -1
 

i hoped this helped some
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