Stock photo: Adult Education - Calculus
Stock photo: An adult education class in electricity with the teacher writing sin wave patterns on the board. Focus on the teacher and what he's writing.
Stock photo

#207848 Adult Education - Calculus by lisafx Stock photo lisafx

L JPG 3000 x 2021 pixels
10" x 6.7" | 25.4 cm x 17 cm @ 300dpi JPG
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