http://support.google.com/edu/classroom/thread/330121764/urgent-support%E2%84%A2-how-much-do-you-lose-if-you-cancel-a-%F0%9D%90%82%F0%9D%90%AB%F0%9D%90%AE%F0%9D%90%A2%F0%9D%90%AC%F0%9D%90%9E http://support.google.com/edu/classroom/thread/330125972?hl=en&sjid=7766365929076350746-NA http://support.google.com/edu/classroom/thread/330125972/how-do-i-speak-at-someone-on-%F0%9D%95%BE%F0%9D%96%8E%F0%9D%96%93%F0%9D%96%8C%F0%9D%96%86%F0%9D%96%95%F0%9D%96%94%F0%9D%96%97%F0%9D%96%8A-%F0%9D%95%AC%F0%9D%96%8E%F0%9D%96%97%F0%9D%96%91%F0%9D%96%8E%F0%9D%96%93%F0%9D%96%8A%F0%9D%96%98 http://support.google.com/edu/classroom/thread/330126760?hl=en&sjid=7766365929076350746-NA http://support.google.com/edu/classroom/thread/330127401?hl=en&sjid=2951079157144212110-NC http://support.google.com/edu/classroom/thread/330127812?hl=en&sjid=2951079157144212110-NC http://support.google.com/edu/classroom/thread/330128275?hl=en&sjid=2951079157144212110-NC http://support.google.com/edu/classroom/thread/330129020?hl=en&sjid=1728222422272706409-NA http://support.google.com/edu/classroom/thread/330129828?hl=en&sjid=11827497710341306523-NC http://support.google.com/edu/classroom/thread/330128722/speak-us-how-do-i-speak-at-someone-on-%F0%9D%95%BE%F0%9D%96%8E%F0%9D%96%93%F0%9D%96%8C%F0%9D%96%86%F0%9D%96%95%F0%9D%96%94%F0%9D%96%97%F0%9D%96%8A-%F0%9D%95%AC%F0%9D%96%8E%F0%9D%96%97%F0%9D%96%91%F0%9D%96%8E%F0%9D%96%93%F0%9D%96%8A%F0%9D%96%98 http://support.google.com/edu/classroom/thread/330130749/helpdesk-how-soon-do-you-have-to-cancel-a-%F0%9D%90%82%F0%9D%90%AB%F0%9D%90%AE%F0%9D%90%A2%F0%9D%90%AC%F0%9D%90%9E