In what quadrant does the angle 11pi/4 terminate?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

What is the value of x? enter your answer in the box. photo attached.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd