Answer: I think the last one sorry of I am wrong
Step-by-step explanation:
The scale factor for math numbers are the numbers you multiply to get an anwser for its factor.
Ex: factor of 2 is 2,4,6,8 and so on with each number
Answer:

Step-by-step explanation:
Area of a square = 
If l =
,
Then area = 
HOPE THIS HELPS
Answer:
If they were the least profitable item then from basic logic I would say no they are not. I'm sorry I have come across a dead-end here. Hope this helps.
Step-by-step explanation:
Answer is B, 21.6
Let me know if you need an explanation