Is two x squared plus y equals five a function?

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.

What is the point slope form of a line with slope -5 that contains point (2,-1)

The product of sin 30 degrees and sin 60 degrees is same as the product of