What. is the equation for 9y - 11=7

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

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Combine like terms to make a simpler expression 3z+z