Evaluate 2r²+3s³-r²+4+²-r²

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.

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?