ANSWER
A, B and C
EXPLANATION
To find the expression that is equivalent as the given one, we will first simplify it:
4 - (-5) + 0
4 + 5 + 0
=> 9
Note:
- * - = +
- * + = + * - = -
Now, we will do the same for the others:
A. 4 - (-5)
=> 4 + 5
=> 9
It is equivalent
B. 4 + 5
=> 9
It is equivalent
C. 4 - (-5 + 0)
=> 4 + 5 - 0
=> 9
It is equivalent
The question askes for three answers, so the answers are:
A, B and C
