Annie buys some greeting cards. Each card costs $1.75. She pays with a twenty dollar bill. Let n represent the number of greeting cards Annie buys. Write an expression that represents the amount of change Annie should
receive

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?