I need help answering these

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

When only separate discreet points are graphed it is called?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years