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Engineer writing formulas about noise reduction in buildings structures - noise pollution concept with binary code\
Concept of decision making. Businessman's hand highlighting two cells of tic-tac-toe.
Complex math learning and formula on a chalkboard. i equals square root of negative 1. Handwritten on chalkboard
Mathematical formulas. Photography made with colored filters in the flash
Sheet of paper with many different mathematical formulas
Used golf score card. A little grungy to give it a used look.
Green cutting mat with adhesive tape. Craft concept. do it yourself concept.
Photography of Statistical graph Mood-Days , drawn with pen on note pad
Selenium, Bromine, Krypton on the periodic table of the elements on black blackground,history of chemical elements, represents the atomic number and symbol.,3d rendering
Frame made of school blackboard with chalk traces and binary code. Can illustrate the concept of online education - distance learning, distance education, e-learning, online learning. Space for copy.
Definition of the Gauss bell function and its graph on bright background
Arrow growth graph, 3d icon
Mathematical education, equations and graphs on a sheet in a cell, also a simple pencil for drawing graphs
Graph and Silver bars
A teacher explains to students the principles of a normal distribution in the area of probability distribution.
digital cryptocurrency.
Pythagorean theorem sketched with white chalk on a blackboard
A kindergarten progress report card from the 1987 - 1988 school year. Reading readiness.
Doubts and uncertainties about dangerous PFAS Perfluoroalkyl and Polyfluoroalkyl Substances used due to their enhanced water-resistant properties - Concept with question mark.
Photography of Statistical graph (12 months), drawn with pen on note pad
A black cutting mat with a white grid is isolated on a white background.
school symbols on a chalkboard
Livermorium, Tennessine, Oganesson on the periodic table of the elements on black blackground,history of chemical elements, represents the atomic number and symbol.,3d rendering
Film frame countdown number 2
Many different math formulas written on chalkboard, closeup
business data
A teacher explains to students the Feynman diagram, a theoretical physics equation that describes the behavior and interaction of subatomic particles.
Number two with puzzle shape
Fibonacci spiral over 3d black background with grid. Science or mathematics concept illustration.
A shot of a running track, Studio shot
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