Think back to the ancient staircase in India. Samuel and his sister were running up and down the stairs. If Samuel runs up 4 more stairs, he will have climbed twice as many stairs as his sister. Samuel climbed 36 stairs. Write and solve an equation to show many stairs Samuel's sister climbed.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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

An amusement park manager determined that about 23 of all customers would wait in long lines to ride the new roller coaster. which simulation could not be used to answer questions about whether a customer would wait?