Bella giovane donna bionda con un sorriso amichevole in piedi lateralmente di fronte a una lavagna verde vuota che tiene fuori il palmo vuoto per il posizionamento del prodotto per il marketing - Foto e immagini stock

Young female teacher looking at invisible product against chalkboard

Young teacher showing something in front of blackboard

Thoughtful young woman looking up into copyspace on a blank green chalkboard, profile view of her head

Blond student looking at the green board in classroom

Young bemused Asian student seeking an answer staring at a blank green chalkboard with her hand to her lips and a bewildered expression

Portrait of woman looking at the green board in a side view shot

Portrait of young woman with finger on lips

Problem solving young student in class room

Side profile image of a pretty young woman with green background.

Young bemused Asian student seeking an answer staring at a blank green chalkboard with her hand to her lips and a bewildered expression

Young woman standing in profile writing with chalk on a blackboard in a classroom

Attractive young female student standing solving a problem staring thoughtfully up into the air with her finger to her lips against a blank green blackboard with copyspace

Thoughtful female student looking at a chalkboard

Smiling student writing on blackboard in a close up portrait

Closeup of thoughtful female student looking up against chalkboard

Young smiling woman looking up on chalkboard

Young female student in maths class trying to solve a problem standing with her back to the blackboard staring thoughtfully into the air

Smiling female teacher holding a chalk and writing on the blackboard