Answer:
-6.075
Step-by-step explanation:
simple addition/subtraction
we multiply all the terms by "-1"
we add the first three terms then subtract the last from it
Answer:
80
Step-by-step explanation:
The answer is definitely not 7.777777
Answer:
4th one
Step-by-step explanation:
a^-2 goes down and become a^2 and

b^-1 goes up and become b

that why answer is 4th...mark me brainliest please
Y= - X/2 = 2 this is the answer