Which is an example of an algebraic expression?

Responses

4(3 + 8)
4(3 + 8) - no response given

182
182 - no response given

3 – a
3 – a - no response given

21 • 4

21 • 4

Which is an algebraic expression for 5 more than z?

Responses

5z
5z - no response given

z + 5
z + 5 - no response given

5z + 5
5z + 5 - no response given

5 – z

5 + z

21 • 4