Seudónimo Seudónimo
  • 22-09-2018
  • Mathematics
contestada

Please help and explain!!

Please help and explain class=

Respuesta :

jjksue jjksue
  • 22-09-2018
a8=a7+6
a8=63
a9=a8+6
a9=69
a10=69+6
=75
a11=75+6
=81
a12=81+6
87
Hence, D
(comment if u dont get it :))

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