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.
Answer: 1,2,3,4,5,6,7,8,9,
Step-by-step explanation: all numbers that can be expressed as the quotient or fraction
hope this helps please mark brainliest if it did
Answer:
need to know more
Step-by-step explanation: