What is the product of 34.2 and 1.2

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

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review