Rebecca, in a canoe can travel 12 km/h in still water. If she traveled 30 km downstream in the same time that it took to travel 15km upstream, what was the rate of the current?

What are the domain and range of f(x)=[1/5]x

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

How to simply and write the answer n a whole number