Keywords
10-11 years, 40-44 years, adult, assistance, caucasian ethnicity, child, color image, correcting, day, education, equation, hand, helping, high angle view, indoors, learning, mathematics, northern european ethnicity, out-of-frame, over the shoulder view, paper, pencil, quiz, school, selective focus, student, teacher, tutor, two people, unrecognizable person, writing, 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, fal051000065