Answer:
still air = 815, wind = 40
Step-by-step explanation:
x+y=against
x-y=with
8(x+y)=6200
8(x-y)=6840
Divide 8.
x-y=775
x+y=855
Subtract. 2 from 1
2y=80
y=40
x=815
Hope this helps plz hit the crown :D
First Graph: the function is symmetrical around y axis -> Even
Second Graph: the function is neither
B
n = 6
6 x 5 = 30
hope this helped, please mark brainliest. :)