Answer:
the missing side lenght = x
0 < x < 15+10
0 < x < 25 cm
Less by far because 3.5 cups would be less than half
You are most likely to pick up a red because the quantity is more and a blue marble can be anywhere
Sq. root of 405= approximately positive or negative 20.124611797498107267682563018581
Its irrational. This is as far as the calculator goes.