ID 78202862 © Denisismagilov | Megapixl.com
Model Released
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
algebra background board business businessman calculate class classroom complicated concept concrete confused education equation finance formula idea knowledge learn lesson man manager math mathematical mathematics maths person problem professor rear school science scientist scribble seminar solution specialist student study suit symbol teacher theory university view wall white whiteboard write young