A single variable, a constant, a combination of these as a product or quotient forms a

What is a special kind of expression where each term is a constant, variable or a product of constants and variables.

Which of the following describes a variable? A. the part of an expression that includes parentheses B. a letter or symbol that represents a value that never changes C. a letter or symbol that represents an unknown quantity D. the part of an expression that always remains the same

How are the constants declared?

An __________ signifies a combination of numbers, variables, and operation symbols.

A combining form is made up of a