Answer:
-12
Step-by-step explanation:
Answer: The answer I got was A) 2.5
Step-by-step explanation:
Hope this Helps!!!
Answer:
The mean depends on the no. of family members but the question hasn't mentioned it. So I have no idea what to do with this.
How many different combinations of “on” and “off” are possible with 8 “light bulbs”?
Answer: The total number of combinations of "on" and "off" that are possible with 8 "light bulbs" is 
Therefore, 256 different combinations of “on” and “off” are possible with 8 “light bulbs”
It would be between the 3 m and the 4 m
hope this helps :)