It's 25 percent as it's Aa plus Bb which gives 4 combinations and one of them is the answer. thus 1/4 equals 25percent
The surface is the sun of all the sides. With the information provide I can only work out the volume, which is 420cm^3
The rise of -7 means that there is 7 less. The fall of 7 would mean that it is also 7 less. So, yes. They are both the same thing.
36%
Hope this is right im only 11 :)
