Several :)
a few
some
multitude
two
Two terms is a binomial. More than two terms is a polynomial. Binomials are not part of the set of polynomials.
2,002,000
It is an expression.
You have to have more than one table in a relational database. In a relational database tables are designed to be related to other tables, so there has to be a minimum of two tables. Quite often there are a lot more than two.
A few is not many, but more than one, several is not many but more than two, the use of 'many' may then answer your question
2.1
Several, or a few.
More than two but less than three
More than two.
Two, itself and 1.
More than two and less than a hundred quadrillion.
more than two and too many to mention here
several
slightly more than two
More than two.
There are many more than "two" problems that can happen with Canine ears.