Algebraic Expressions Quiz 2

Which of the following is a Numerical Expression?

Which of the following is Algebraic Expression?

The degree of a monomial $\frac{-5}{2}$ $xy^2$ $z^3$ is?

The degree of a monomial $\frac{-15}{19}$ $l^3m^4n$ is …

The degree of an algebraic expression $ax^3+bx^2+cx+dx^{11}+ex^9$ is …

The degree of an algebraic expression $lmn+l^2m-ln^2-m^2n$ is …

Subtract 11p from 2p is ……

If x = – 1 what is the value of $x^2-1$ ?

What is the value of $m^n-n^m$ if m = 3, n = 2?

What is the value of xy + 3y – 9 when x = 1, y = 2 is …