Use the two points whose coordinates are shown to find the​ point-slope form of the equation of the line that models the percentage of citizens trusting in​ government, y, x years after 2003.

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.