Asubmarine changes its position by −7 meters every second. what is the change in the submarine's position after 300 seconds? i will give brainliest

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

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?

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|