Teacher gesturing near chalkboard with math formulas and digital camera in classroom — Stock photos

"Teacher gesturing near chalkboard with math formulas and digital camera in classroom" is a stock image by HayDmitriy. It’s available in the following resolutions: 1000 x 667px, 2000 x 1335px, 7135 x 4762px. The minimum price for an image is 2.99$. Image in the highest quality is 7135 x 4762px, 300 dpi, and costs 9.99$.