OpenStudy (anonymous):

thanks for the help people -.-t

5 years ago
OpenStudy (anonymous):

ja feel...

5 years ago
OpenStudy (anonymous):

what did you need help with?

5 years ago
OpenStudy (anonymous):

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

5 years ago
OpenStudy (anonymous):

dear lord. wtf math is that.

5 years ago
OpenStudy (anonymous):

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

5 years ago
OpenStudy (anonymous):

good god.

5 years ago
OpenStudy (anonymous):

do you know arithmetic sequence ?

5 years ago