Keywords
16-17 years, adolescence, algebra, alone, american, boy, boys, brown hair, casual clothing, caucasian, caucasian appearance, caucasian ethnicity, child, childhood, children, close-up, color image, colour image, education, ethnicity, european, formula, handwriting, head and shoulders, high school student, hold, holding, indoors, kid, kids, late teens, learning, male, mathematical symbol, mathematics, number, one person, one teenage boy only, pen, people, photography, schoolchild, schoolchildren, solution, student, students, studying, t-shirt, teen, teenage, teenage boy, teenager, teenagers, teens, vertical, white, whiteboard, write, writing, writing instruments, young, young boy, youth, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, gws231050