What is the solution to the system of equations below?
4x - 2y = -4
8x - 4y = 4

Is every rectangle is a parallelogram? true false

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.

Can someone tell me if this is perpendicular? !