Surface area is the areas of all the faces added up. Volume is how much a 3D figure can hold.
Answer:
36
Step-by-step explanation: if they do 12 acres per day.. it would be 36 for three days. 12x3=36
Answer:
Production cost is $20 per item.
Step-by-step explanation:
Fixed cost is $100 and 20 items cost $500 to produce.



Production cost = $20.
So,
, where C is total cost and x is the number of items produced.