Questions LLC
Login
or
Sign Up
Ask a New Question
Mathematics
Algebra
Operations and Expressions
-9-(-1)
1 answer
If you really want an expert to help you, be sure to follow directions and type your
subject
in the
School Subject
box. Any other words,
including obscure abbreviations
, are likely to delay responses from a teacher who knows that subject well.
You can
ask a new question
or
answer this question
.