What is the percent change of 20 - 60?
2 answers:
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Answer:
(2n-1)^2 + 2
2 × something is always even
even - something is always odd
odd square is always odd
odd - even is always odd
Answer:
(2n-1)^2 + 2
2 × something is always even
even - something is always odd
odd square is always odd
odd - even is always odd