You have to put the number under 1 so you would get 1 over -27
A direct relationship requires a change in the same direction of both variables, answer c.
Answer: 
Step-by-step explanation:
Given
River is flowing from south to North with a velocity of 
Motor boat traverses the river from east to west at a speed of 
South component of boat velocity must compensate the river velocity in order to travel in west direction.

Answer:
Here is your answer in picture...