It means 'no boundaries'
"'Term-to-term rules' isn't a standard math term; it's usually a casual way of talking about the rule for moving terms (shifting positions of terms in an equation) or the relationship between consecutive terms in a sequence."
The infinite monkey theorem says that if a monkey types randomly forever, it will almost surely type out any text—it's a classic thought experiment in probability theory.
Ideograms express their meaning by resembling physical objects in their pictures. Pictograms are often used in writing and graphic systems, where characters are largely visual representations of things.
A pentagon is a closed shape made by connecting five line segments end to end, and the sum of its interior angles is 540 degrees.
Rubber geometry is the popular name for the branch of mathematics called 'topology'.
Physics is the study of the most general laws of motion of matter and the basic structure of matter. As a leading branch of natural science, it looks into everything from the vast universe to tiny fundamental particles, exploring the most basic forms and laws of motion of all matter, which makes it the foundation for research in other natural sciences. This field started back in the days of Galileo and Newton and has now grown into a fundamental science with many branches. It's both an experimental science and one that values rational thinking and logical reasoning, heavily relying on math as its working language, making it one of the most precise natural sciences today.
Elimination is a method used when solving equations to turn multiple unknowns into a single unknown. The most commonly used one in middle school is the addition-subtraction elimination method.
A coefficient is the numerical factor in a term of an algebraic expression, usually showing the quantitative relationship between variables. For example, the Pearson correlation coefficient can measure how strongly variables are related.