Ayudenme es para hoy xd​

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 conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

For what value of x does 4x = (1/8) x + 5?