Handheld tracking shot with close up of male university professor writing math formula on chalkboard
Blackboard Mathematical symbols, functions, formula's and equations
Portrait of intelligent young boy solving complex calculus equation
The guy trying to find the answer to the question. decision search process
Woman holds her dry brittle hair in a hand, hair care, shampoo and cosmetics for strong hair, brittle tips, 4k UHD
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Riddles with notes. Stock footage. Mystical puzzles on notes with red thread. Quest with riddles on notes on blackboard in night room
Exhausted man solving business problem. Office worker lies on table. Frustrated business owner. Tired businessman working with documents in office. Serious businessman working on new business project
Confused man thinking for a solution
Confused woman thinking for a solution to her problems
Math equations blackboard. Flight through numbers, formula and math equations
Young person making a decision with a board. The concept of creativity and knowledge.
Man drinking sleeping pills late at night, close-up
Tracking shot of focused male university professor writing math formula on blackboard
Depressed Asian woman cannot sleep insomnia suffering from insomnia lying in bed
Successful trader working office evening closeup. Pensive man looking problem solution thinking stock market strategy. Confident entrepreneur broker work computer checking online investment sales data
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Riddles with notes. Stock footage. Mystical puzzles on notes with red thread. Quest with riddles on notes on blackboard in night room
Frustrated man thinking on office floor. Troubled employee planning problem solution indoors. Crisis concept.
A creative completes the black or white light puzzle putting the last missing piece. Concept: cooperation, teamwork, creativity, and access solution.
Dolly-in shot of man drawing square on chalkboard while solving complex geometry problem
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Close-up of face and hand of young Caucasian female software developer in beanie hat standing behind glass wall in dark office and writing lines of computer code in white marker
Tired employee working computer in office. Overwhelmed woman analyzing sales report statistics. Exhausted startup engineer developer rubbing eyes check problem. Stressed it freelancer search solution
Thoughtful man having an idea
Thoughtful man scratching head while remembering something
Rubik's cube in the hands of a man close up
Rear view of male university professor solving complex calculus problem on blackboard
Library puzzle building with kids
Extending a helping hand. Salvation and assistance to the needy. Concept
Rear-view slowmo of young student solving Geometry problem at blackboard
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Young woman thinking to solve a problem. Pensive girl thoughtfully at idea hold hand to chin with gesture of thought about problem solution
Hiker man with backpack choose in a road fork between two different path directions at the winter on road. Concept of choose the correct way.
Medium shot portrait of stressed Asian teen girl talking with blurred psychotherapist indoors. Overwhelmed teenage patient holding head in hands sharing troubles with professional Caucasian doctor.
Husband and wife do not talk to each other
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Tired businesswoman suffering from headache while working late in dark office
Portrait of young brunette woman sitting outdoors on concrete blocks
Thoughtful woman coming up with a great idea
Businessman in white shirt and necktie siting at table in dark office over papers with graphs and charts trying to find solution to problem, thinking, looking confused and tense, while another man is in the background typing
Medium shot of female university professor solving complex calculus problem on blackboard
Intelligent young girl excels in math, raising hand by blackboard
Father and child solving puzzle cube together indoors
exclamation mark icon Animation of a danger, Warning symbol attention with alpha channel
Young student solving a complex math problem on a blackboard in slow motion
A creative completes the black or white light puzzle putting the last missing piece. Concept: cooperation, teamwork, creativity, and access solution.
Woman with puzzled expression looks for answers to questions
Man working on laptop feels tired having information overload
Woman holds her dry brittle hair in a hand, hair care, shampoo and cosmetics for strong hair, brittle tips
Anxious young woman contemplating difficult decision, experiencing mental stress.
Portrait of a beautiful girl, teacher or student solves examples, formulas, triangle on a black board, on a black background. Concepts: ideas, algebra, mathematics geometry school university knowledge
Portrait of confident female teacher with math equations in background.