alyssa24berrios24 alyssa24berrios24
  • 06-09-2021
  • Mathematics
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a1= -3, d= 2, Sn= 21

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rlew88950 rlew88950
  • 07-09-2021
{Sn-21=0
{a= -3. Is the the awnser for this one
{ d=2
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