It is A because if you do your seven step process it will be A
Answer:
, 4.23 , 9/2
Step-by-step explanation:

9/2 = 4.5
4.23
It D machinery. It says it on the bottom of the problem but for further explanation, a mail room can be found in some but it’s more in offices than factories, a barn is obviously wrong, and cafeteria is only in some not all but all factories have machinery used to make the item they produce.
Answer:
I'm not answering your question but I wanted to tell y'all to have a good day!<3
Step-by-step explanation: