Answer: I hope this helps :)
Substitution: 45+15(6-1)
Simplify: 120
Step-by-step explanation:
Calculate within parenthases (6-1) =5 =45+15(5)
Multiply left to right 15(5)=75 =45+75
Add leftg to right 45+75=120
Answer = 120
(-2)^4=16
(-2)^-1=-1/2
-1/2x16=-8
Answer: -8
The first one might be b or c
