Which of these is the algebraic expression for "nine less than some number?" Please help nagito, whoever gives nagito the correct answer gets brainliest

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?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

Me i’m stuck on all these questions besides the two bottom ones