Businessman draws solution of equation

• algebra, background, brainstorming, business, businessman, concept, creative, creativity, draw, drawing, economy, education, equation, finance, formula, graph, growth, hand, idea, innovation, interior, investment, list, man, marketing, mathematics, money, office, pen, plan, research, rise, room, sale, seminar, sign, sketch, start, startup, strategy, success, teaching, technology, up, white, windows, work, workshop, write
• ID: 328880474
• Published: 19Oct2015
• Model: 14442116
• 4500 x 3000 pixels