ID 147528767 © Zozulinskyi | 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.:
academic analysis blackboard board business chalk chalkboard class classroom closeup concept creativity dedication discovery drawing education engineering equation examination formula hand highlight learning lecture lesson math mathematician mathematics numbers perseverance persistence person physics problem professor research school solution solving student study teacher teaching theory thinking underline university writing young 4k