3.It is the number that cannot change it's value in a mathematical expressions.?
2.what do you call the letter or symbol that present or assumes an unknown value?
When variables are used with other numbers, parenthesis, or operations, they create a/an__________4.It is the number multiplied by the variable in an algebraic expression? 5.A_______is the name given to a number, a variable, or a number and a variable combined by multiplication or division? ​