https://support.google.com/edu/classroom/thread/330121258?hl=en&sjid=7766365929076350746-NA https://support.google.com/edu/classroom/thread/330121258/info-is-%F0%9D%99%B0%F0%9D%9A%92%F0%9D%9A%9B-%F0%9D%99%B5%F0%9D%9A%9B%F0%9D%9A%8A%F0%9D%9A%97%F0%9D%9A%8C%F0%9D%9A%8E-open-on-24-hours https://support.google.com/edu/classroom/thread/330125972?hl=en&sjid=7766365929076350746-NA https://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 https://support.google.com/edu/classroom/thread/330126760?hl=en&sjid=7766365929076350746-NA https://support.google.com/edu/classroom/thread/330126760/faqs-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