Geometrical calculations and constructions taking into account corners and other sizes in a writing-book of the student.
Boy daydreaming, adhd concept
Closeup portrait headshot young man daydreaming looking up, finger on temple gesture, isolated grey wall background, blackboard. Human facial expressions, emotions, feelings, body language, perception
Woman talking on a phone, looking on laptop screen
Closeup portrait, young pretty woman in blue shirt talking on phone, looking at computer laptop screen isolated background outdoor, green trees, office background. Positive emotions, face expressions
Executive man giving time out gesture with hands
Closeup portrait young, happy, smiling, executive company man showing time out gesture with hands, isolated blue background. Positive human emotion, facial expression feelings, body language attitude
Man shocked surprised in disbelief hands on chest
Closeup portrait handsome man shocked surprised in disbelief hands on chest wide open mouth eyes, isolated grey wall background. Human emotions, facial expressions, feelings, body language, reaction
Annoyed, grumpy executive business man
Portrait, annoyed, grumpy executive business man, customer service representative avoiding eye contact, tired of fruitless conversation looking away, isolated white background. Body language attitude
Man looking surprised, hand covering mouth
Portrait scared young handsome man looking surprised, hand covering mouth, someone shut him up, isolated grey wall background. Human emotions, facial expressions, feelings, body language, reaction
Cross Country Run
JACKSONVILLE, FLORIDA-AUGUST 31: Runners compete in the University of North Florida Cross Country Challenge on August 31, 2013 in Jacksonville, Florida.