Answer:
0
Step-by-step explanation:
Because finding mean is adding the numbers, then dividing by the number of numbers. They are both 2.5. So 2.5 - 2.5 =0
Bella: 2.5
Isaac: 2.5
I believe the answer is b
43
31+12=43
Therefore adding 43 to -31 should give the answer 12.
m= -3
