Answer:
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
( − ∞ , ∞ )
{x | x ∈ R }
Hope this helps I'm 80% sure this right.
....the answer is <CBA.
55 maybe?
Step-by-step explanation:
6*7=42
42-1=41
Then
7*8=56
56-1=55
Wish I could but.....can't