Which expression is equivalent to the expression shown 3^7 x 3^-4

What is the distance between (–2 1/2,-3) and (1, –3)?

Is there an x intercept in the equation 60*1.15^x

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?