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

A letter that stands for a number in an expression or an equation is called a

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

What is the branch of Mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations?

Attributes consist of a name and a value connected by which symbol(s)?

Fill in the blank: An _____ is a combination of numbers, symbols, or other variables that produce a result when evaluated. 1 pointargumentattributeobjectexpression