The second ball would most likely be red and there are 5 red balls in the bag. And if you replaced the ball it would most likely be the same ball.
N = -1 because 8(-1) would equal -8, and -3-8=-5
14 sec because
In 2sec=600
In4 sec=1200
In6 sec =1800
In 8sec =2400
In10 sec=3000
In12sec=3600
In 14sec=4000
In 14seconds it covers 4000
the correct answer is -56