Step-by-step explanation:

I did the problem and checked it on google and did the formula on paper. You would 628= 3.14 * x(squared) * 8, then you would undo everything, leaving you with x= 5
I tried my best, and I don't know if they wanted you to use pi or 3.14 so I hope this is correct :]
basically buy low sell high
The selling price of an item is a function of the cost of making the item as the manufacturer needs to sell at a price which is higher than the cost of making the item in order to get his money back and obtain some profit also
quizlet
The numbers are 25 and -15.
You just needed to do is 25% and then times it by 21 you should get 5.25