Please give answer for this

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?