19 people getting off the train can be represented by -19, and 17 people getting on the train as +17. -19 + 17 = 2, meaning that there was a net loss of two people. if there are 63 people on the train now, that means there were 65 to begin with.

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

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The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?