
an is the 'nth' term
a1 is first term
d=common difference (found by doing

)
n=numerical representation of which term
-8n where n > 0 and whole number (-8n/8=-n)
-8*1=-8
-8*8=-64
-8*9=-72
Answer:
-8, -64, -72
The correct answer would be D, because there’s no other leading common factors between the two besides one.
The right answer is -2/3
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Good luck on your assignment..
The answer is B.
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