May someone me with this, it's fairly easy.

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

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8