Answer:
<h2>
</h2>
Step-by-step explanation:
In arithmetic sequence: a₂ - a₁ = a₃ - a₂ {common difference}
Answer:7
Step-by-step explanation:
Step-by-step explanation:
omg you are looking like
..........
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Step-by-step explanation:
question 8 answer = -4
questions 9 answer = -18
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