Which expression is equivalent to 64a6b7c9?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

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

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?