Total length = 111.6 metres
(12.3x7) + 15 + 10.5 = total length
Answer:

Step-by-step explanation:
Average length 
Standard deviation 
Sample size 
Generally The point estimate for the mean length of all bolts in inventory is


Answer:
1/3
Step-by-step explanation:
2nd one
Cindy wants to predict how much energy she will use to heat her home based on how cold it is outside. The table below shows the mean amount of gas per day (in cubic meters) that Cindy used each month and the average temperature that month (in degrees Celsius) for one heating season Well
B. is The Answer :)
Answer:
5
Step-by-step explanation:
You just change the signs