2 recurrent costs related to owning a car.

How to determine whether two known pairs of points are on the same line.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

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.