Answer:
7
Step-by-step explanation:
median is the number at the center of the rest
3,1,8], 7 [,6,5,1
Answer: 13 groups
Step-by-step explanation:
78/6 = 13
Answer:
It should be A, I'm pretty sure
Answer:

Step-by-step explanation:
first you subtract 7 from 7 and 12

then you get 
(btw the variable always goes first with these problems)
so the final answer would be 