Find the distance between nashville and memphis if they are 14 in apart on a map with a scale of 1 inches: 18 miles

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

How do i do this activity, is appreciated