Profesor serio en gafas que muestran gesto de parada mientras está de pie cerca de pizarra - Foto e imágenes de stock

Happy teacher smiling at camera while standing with open arm near chalkboard

Smiling teacher looking at camera and pointing with finger near chalkboard

Happy teacher in eyeglasses looking at camera while standing with clenched hands near chalkboard

Exhausted teacher with headache touching forehead while standing with hand on hip near chalkboard

Laughing teacher in eyeglasses holding book while standing near chalkboard with open arm

Smiling teacher looking away and pointing with finger near chalkboard

Serious teacher in eyeglasses looking at camera while standing near chalkboard

Thoughtful teacher touching head and looking away while standing with hand on hip near chalkboard

Blonde businesswoman in eyeglasses holding paper folders near face isolated on grey

Smiling teacher pointing with fingers near chalkboard with math formulas and digital camera in class

Teacher in eyeglasses explaining math formulas on chalkboard near digital camera in class

Teacher pointing at math formulas on chalkboard and holding laptop during online lesson in classroom

Teacher holding laptop during online lesson near chalkboard with math formulas in class

Teacher holding chalk near blurred digital camera and chalkboard in class

Teacher having online lesson on laptop near math formulas on chalkboard

Upset brunette asian woman holding speech bubble on blue background