Which is the value of this expression

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

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events