Find the product (-9)(-3). Find the product (-7)(-2) which product is greater please help

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

Sorry guys but as you have a small brain

An equation where variables are used to represent known values—function notation true or false