How many solutions does this system have?

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

What is an alternate exterior angle

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.