Only two four and eight

Answer:
2. -6
4. 0
8. 2
Step-by-step explanation:
Order of Operations: BPEMDAS
2
Step 1: Write out expression
-(8 - 2)
Step 2: Parenthesis (Subtract)
-(6)
Step 3: Multiply
-6
4
Step 1: Write out expression
-(0 + 0)
Step 2: Parenthesis (Add)
-(0)
Step 3: Multiply
0
8
Step 1: Write out expression
3 - [-(-1)]
Step 2: Brackets (Multiply)
3 - 1
Step 3: Subtract
2