Add Do Not Use a Number Line Except as a Check

question 184

Multiple Choice

Add. Do not use a number line except as a check.
- $$- \frac { 5 } { 9 } + \left( - \frac { 4 } { 9 } \right)$$

• A) 1
• B) \(- 1\)
• C) \(\frac { 1 } { 9 }\)
• D) \(- \frac { 1 } { 9 }\)