Math question. Having trouble with some of these problems ?

Attachment image

3 Answers

  • ?
    Lv 7
    3 weeks ago

    Sorry- please resubmit with a BETTER picture.

  • Mercy
    Lv 7
    3 weeks ago

    Sorry. I can't see a thing.

  • 3 weeks ago

    a₍₁₎=12 and a₍ₙ₎=a₍ₙ₋₁₎-3


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