Answer:
x −2 −1 1 2
y −4 −2 2 4
Explanation:
→ 
→
→
→
This Table All has the same value of K
Hence, 3rd one also known as Table C represent a proportional relationship.
[RevyBreeze]
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Answer:
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Answer:
2 half lives
Explanation: 100% then 50% = 1 half life, 50% then 25%=2nd