What is the measure of

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 factored form of the following expressions? d^2 – 13d + 36

If sin(x) = 0 and cos(x) = 1, what is tan(x)?