9. Simplify this expression: 13+(-12)-(-5)=? A. 30 B. 6 C. -6 D. -30

To simplify the expression $13+(-12)-(-5)$, we need to follow the order of operations and combine like terms.<br /><br />Step 1: Simplify the expression inside the parentheses.<br />$13+(-12)-(-5) = 13-12+5$<br /><br />Step 2: Perform the addition and subtraction from left to right.<br />$13-12+5 = 1+5 = 6$<br /><br />Therefore, the simplified expression is 6.<br /><br />The correct answer is B. 6.