Answer:

Step-by-step explanation:

I hope that uesful for u :)
Answer:
6 minutes
Step-by-step explanation:
every minute is 120
720/120=6
The formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism and B the area of the base, I hope this helps.
God bless :)