Hi! ❄
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The rule for this sequence is 'multiply by -6'.
Verification ↓
-3*(-6)18
18*(-6)-108
So the rule for the sequence is 'multiply by -6'
And the Common ratio is -6.
Hope that made sense !!
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The answer is Mean = median
2 1/14 should be your answer
F=x-48 over 4x. I hope that is right :)
Can you send a picture of your paper/question?