Surface area is square units, so you would need to square the scale factor.
The length was tripled, which means it is a scale factor of 3
3^2 = 9
The surface area would increase by a factor of 9.
The answer is B.
8 books will be on each shelf. There will be 4 shelves for the mystery books and 7 shelves for the biography books.
Step-by-step explanation:
Do more and more practice daily
Answer
It would take them the same amount of time as it normally took.
Which would be 30 and 45 minutes.
please feel free to ask me some more questions, or clarify.
