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12,27,42,57

an=_______

a18=______

I need help ASAP first person to asnwer gets brainliest

12274257ana18I Need Help ASAP First Person To Asnwer Gets Brainliest class=

Sagot :

Reguser315idn
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
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