OpenStudy (anonymous):

thanks for the help people -.-t

4 years ago
OpenStudy (anonymous):

ja feel...

4 years ago
OpenStudy (anonymous):

what did you need help with?

4 years ago
OpenStudy (anonymous):

\[\sum_{k=1}^{12} (-2+6k)\]

4 years ago
OpenStudy (anonymous):

dear lord. wtf math is that.

4 years ago
OpenStudy (anonymous):

i've never learned this before but its in algebra 2

4 years ago
OpenStudy (anonymous):

good god.

4 years ago
OpenStudy (anonymous):

do you know arithmetic sequence ?

4 years ago
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