Answer:
1251
Step-by-step explanation:
I used a calculator: -89 - 97= -186 - 145= -331 - 111= -442 + 245= -197 + 97= -100 + 1351= 1251
In case anyone is confused, adding a negative is the same as subtracting... for example: 10 + (-1) =9 and 10 - 1 =9
