Final answer:
The expression that has a value of -6 is -2 - (-8) ÷ (-1).
Step-by-step explanation:
The expression that has a value of -6 is option c) -2 - (-8) ÷ (-1).
To find the value of the expression, we follow the order of operations (PEMDAS/BODMAS). First, we simplify the division: -8 ÷ (-1) = 8. Next, we subtract: -2 - 8 = -10. Therefore, the expression has a value of -10.