Help meee plzz

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

If m 17 27 90 63 ** picture is attached