5 to the 2nd power is 25, and 3 to the 2nd power is -9, so 16 is your answer.
Hello! What is this for?
Also, The answer is: The lead pattern would be in the shape of a circle.
Sorry man I would want to help but I really don’t know how to do this. Sorry
Answer:

Step-by-step explanation:
Let x = the current of the river
Then 21 + x = the speed going downstream (with the current)
a nd 21 - x = the speed going upstream (against the current)
Distance = speed × time
d = st
t = d/s
Time going downstream = time going upstream


Check:

OK
I think the answer is graphing, plz give me brainliest