A. 1 because a to b is 5 miles and b to c is 4 miles so it couldn't be 1 mile
If there is no expression, it surely is equal to 0.
Answer:
1,-10 and 2,-8
Step-by-step explanation:
If you substitute each answer choice:
6+-10=4
12+-8=4
12+8=4
6+2=4
The only ones that would make sense are the first and second one.
If you were to round it, a possible answer could be 9,997