composite image of teacher reading book while writing on blackboard

20s 40s adult apps attractive beautiful blackboard blank blonde book browsing career casual caucasian chalk chart chat class classroom communication complicated computer computing concentration confidence connection connectivity copy couch difficult digital digitally domestic doodle down drawing drawn education elementary email equation fair female formula front generated graphic hair hand happiness holding home interface interior internet job laptop leisure lesson lifestyle light living lying math mathematics mature network occupation online people pretty profession reading rear relax relaxing resting room school social sofa space standing teacher teaching tech teching technology trigonometry two typing using video view white wireless woman write writing young