Answer:
A.)130 80
Step-by-step explanation:
1y/3x
-8x/1xy
answer:130 80
Are you sure you don't mean area?
Answer: 3/20
Step-by-step explanation: (1/7) :(20/21) = (1/7 )· 21/20 = 21/(7·20)= 3/20
The answer Is C: SAS Congruence Postulate.
I think task 1 is B
Hope this helps
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