2 images for old man math equations

  • Portrait of Man in Front of Chalkboard with Arms Crossed Stock Photo - Rights-Managed, Code: 700-00529399

    700-00529399

    Portrait of Man in Front of Chalkboard with Arms Crossed

    Rights-Managed

  • Nun Watching Mature Man Dressed As Young Punk Write on Blackboard Stock Photo - Rights-Managed, Code: 700-00063679

    700-00063679

    Nun Watching Mature Man Dressed As Young Punk Write on Blackboard

    Rights-Managed