The height should be around 9.19 or 9.2 if you round it up.
(if you need an explanation as to why i would be happy to help as well!)
Not 100 % but I would think as likely as not because you have the same amount of both. 1/2 the chance
The annnnnssssssswer is c
You can do anything between .50 and .75. For example .55. .55=55% .55 also equals 11/20 as a fraction