So for the perimeter, there will be 2 of each side. 3(2)+6(2)= 18.
The perimeter is 18 feet.
Answer:
Step-by-step explanation:
Average = Mean
To find the mean, add up the numbers and divide it by how many numbers there are.
So,

There are 5 numbers in total.

To do these types of division, ignore the decimal and add a 0 at the end.
So we can do:

And put back the decimal.
Hope this helps :)
The first answer is C
The second answer is C
The third answer is B
Hope this helps!
I think the answer is the second one. Hope this helps!