Anxious man struggling with math problem on chalkboard
Person in maze labyrinth finding a solution, problem solving, challenge
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Portrait of man feeling perplexed by confusing information, isolated over studio background. Person scratching head, looking around with
Accountant doing profit for company, feeling perplexed by confusing data, studio background. Worker doing financial budgeting, scratching
Caucasian businessman working late in the office and feel headache. Tired Freelancer have a problem with red eyes. Blue screen in night animation of numbers science formula
Confused male teacher or scientist shrugging his shoulders looking at the camera in a classroom or labratory
Surprised funny man in glasses
Smart man raising his arms acting confused, shaking his head no, and unsure of something while standing in front of a chalkboard
College student solving a challenging math problem on a chalkboard in slow motion
Confused Man In Lounge At Home Reading Instructions For Flat Pack Furniture Assembly
Hand held shot of a man driving a car with both hands on the steering wheel and operating a GPS during the day.
College student solves complex math problem at blackboard in slow motion
Portrait of retro nerd woman sitting at table in vintage coffee shop with book looking at man passing. Embarrassed sad Caucasian lady waiting for blind date indoors in 1980s. Lifestyle concept.
A black man puts his cellphone in his pocket after a confusing call during his daily hike
