Answer:
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Answer:
0.438
Step-by-step explanation:
Answer:
It's 2
Step-by-step explanation:
It was easy......
A1=12, a2=27, a3=42, etc. The pattern is that you’re always adding 15 after starting with 12. So the general rule is...
an=12+15(n-1)
So then...
a18=12+15(18-1)
a18=12+15(17)
a18=267