Write a polynomial Of least degree With roots zero and -3

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

Arrange these numbers from least to greatest 3/5 5/7 2/9

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28