One building is 3ft by 20ft if the other building is 21ft by what is the height

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.