2(5 - 3) 2 + 6 2 what is the answer

Which of the following of the following sets of side lengths could not form a triangle?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625