CAN SOMEONE PLEASE HELP ME WITH MY MATH CLASS PLEASEEE

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.

Taking algebra two apex courses and need with these questions

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?