The answer is C I’m pretty sure, it makes the most sense
We have been given that the upstream speed is
and the down stream speed is
.
Let the fisherman traveled a distance of x miles.
The total time of the trip is 6 hours.
Relations between speed (s), time (t) and distance (d) is 
Hence, 
Time upstream + time downstream = 6

lcm = 10

=> 
Cross multiplying, 
x = 20 miles .. Answer.
Answer:
All real numbers except -3
Step-by-step explanation:
Range refers to numbers on the y-axis.
Domain refers to numbers on the x-axis.
Both of those lines will never reach -3, just come extremely close to it.
Answer:
Nope
Step-by-step explanation:
I'm in 7th grade.