Handheld camera shot of African American male professor explaining formulas on blackboard during algebra lesson
African American professor pointing at graphs and formulas on blackboard and speaking to students while giving math lesson in university
Biracial student holding clipboard and explaining formulas and graphs on blackboard to group and African American professor while giving in-class presentation in university
Close up shot of black male professor explaining formulas on chalkboard while teaching algebra at university
African American male student explaining math formulas on blackboard to group mates and professor during university lesson
Panning shot of African American professor explaining formulas on chalkboard while diverse students listening to him during algebra lesson
Senior professor pointing at formulas on chalkboard and explaining them to group of college students while giving lecture
Tilt down shot of African American professor explaining formulas on blackboard to multiethnic students while giving lesson in university
Over shoulder shot of service college professor in formalwear explaining tactics of war pointing at screen with satellite map during class
Tracking shot of focused male university professor writing math formula on blackboard
Handheld shot of middle aged university professor pointing at blackboard when asking question to student during lecture
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Close up of Caucasian female professor helping to student with hard task and explaining something while pointing at the blackboard. Students