Answer:
7) 1/4, 1/2, 5/8, 3/4, 7/8. This is in the right order.
Answer: A and B
Explanation: A sum is an answer to an addition problem and a difference is the answer to a subtraction problem. N is the sum to the addition problem and -n is the answer to a subtraction problem.
its equal to because if you do +50-50 and keep going it will always go back to 0. Hope this helps! :D
