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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.
Sheet of paper with many different mathematical formulas
Mathematical formulas. Photography made with colored filters in the flash
Complex math learning and formula on a chalkboard. i equals square root of negative 1. Handwritten on chalkboard
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.
A red note with a plan B symbol circled and a plan A page crossed out and flying off.
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
Graph and Silver bars
Mathematical education, equations and graphs on a sheet in a cell, also a simple pencil for drawing graphs
Arrow growth graph, 3d icon
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
Rubidium, Strontium on the periodic table of the elements on black blackground,history of chemical elements, represents the atomic number and symbol.,3d rendering
school symbols on a chalkboard
Many different math formulas written on chalkboard, closeup
Film frame countdown number 2
Concept of school and education with blackboard
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.
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