They had 56 lives in total
Explanation: if there were thirteen friends to begin with and six quit that would leave them with 7 friends. If those seven remaining friends each had 8 lives, you multiply those 7 friends by 8 lives which would get 56.
If all thirteen friends were still in the game then they would have 104 lives all together.
3.742, I believe is the answer
The speed is the ratio between the distance and the time:

Data:
d=6343miles
t=9h

Then, the plane traveled at a speed of 704.77 miles per hour.
Answer:1.23777
Step-by-step explanation: Calculators answer
Answer:
This is only true with a cube
Step-by-step explanation:
Only a cube has 6 equal faces of equal size.
I can't really put a diagram here so i hope that explanation helped!
Stay safe! <3