Respuesta :

anaalyze the problem

first term: -1

common difference: +9 (8-(-1) is 9)

so, an=-1+9n-9

answer is an=9n-10, with n bigger or equal to one

sixth term,plug in 9(6)-10=54-10=44

tenth term, plug in 9(10)-10=90-10=80

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