(½)² what is the answer

Assemble the proof by dragging tiles to the statements and reasons column

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.

Find dy/dx using implicit differentiation ln(20+e^xy)=y