ID 50971440 © Ra2studio | Megapixl.com
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 apple arrow art background black blackboard board book chalk chalkboard chart classroom college computer draw drawing education equation geometry girl globe graduation icons illustration knowledge learn lesson line mathematics music notebook paint pattern pen pencil physics science sign sketch solution studying symbol symbols teach theory tree triangle university woman