The following expression has terms and a constant of

The given expression has 3 terms.
The terms are the entities that are connected by addition or subtraction in a polynomial expression.

The constant term is the one which does not have any variable attached to it. In this case the constant is -7. Do not forget to consider the sign of constant term in such case.

So the answer to this question is 
1st blank: 3
2nd blank: -7

B. because the 7 represents "seven times", x represents "a number", 12 represents "plus twelve", and -4 represents "minus four"

Yea they are simplyfiy the ratios