What of the following statements describes a zero slope

Which function has the same domain as y=2x

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

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top