Solve for x round your answer to the nearest 10th

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?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2