Answer:
The speed of the wind is 
Step-by-step explanation:
Let
x-----> the speed of the wind in mph
we know that
Downwind

-----> equation A
Upwind

----> equation B
equate the equation A and the equation B

Since absoulte value makes everything positive asume
y=x+8
y interctpt=8
-y=x+8
multiply -1
y=-x-8
y intercept=-8
Answer:
the answer is C and D.
Hope this helps
Step-by-step explanation:
Answer:
He stayed for 99 days
Step-by-step explanation:
55% of 180 is 99