Algebraic Expressions

Which of the following is Algebraic Expression?

Finding the value of an algebraic expression

Average of algebraic expression

The use of grouping symbols (or brackets) in writing algebraic expression

Divide the first algebraic expression by the second algebraic expression in the pairs of algebraic numbers: -9xy^3 , xy,

Divide the first algebraic expression by the second algebraic expression in the pairs of algebraic numbers: (5a^2-7ab^2) , a,

Write the algebraic expression for: Multiple of 5.

Fill in the blanks. An algebraic expression involves ___________ , ___________ and _____________ .