Which is the point slope form of the line with slope -2 that passess through the point (3,1) ? y−1=−2(x−3)
y=−2x+1
y=−2x+7
y+1=−2(x+3)

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?