Question

Which is NOT a correct statement about variables?

A) variables are letters or symbols
B) variables can represent unknown quantities
C) variables can appear in numerical expressions
D) variables can represent quantities that change depending on the situation

Answer 1

The answer is A even though variables are letters they are not symbols like %,$,# etc. All the other ones are correct besides C. Hope this helps

Explanation:

Answer 2

The answer would be C, since numerical expressions only contain numbers.