Answer:

Step-by-step explanation:

Answer:
(eduacted guess) 7 minutes, 30 seconds
Step-by-step explanation:
May not be correct but what I did was find the average of 6 and 9. You add the 6 and the 9 (15), then divide it by 2.
Yes, i believe the answer is true, have a great day :)
Check the picture below.
you can pretty much count the units for the base and its height off the grid.