A = 57
45 + 12 = 57
57 - (-12) = 45
The mean would be 8 since you would have to add all of them up which would give you 64 and then divide by the amount of numbers their are which is 8 so 64/8 = 8
Answer:
Below.
Step-by-step explanation:
37+8= 45
45-8=37
so 45.
Answer:
B
Explanation: dont got one
