Answer:
The velocity is 8.93 meters/second.
Step-by-step explanation:
It is given that Elena runs for 28 seconds and finishes at 250 meters.
Here the displacement is 250 meters and the time is 28 seconds.
We know that 
Substitute displacement = 250 and time = 28 in above formula.

meters/second
Hence, the velocity is 8.93 meters/second.
I would answer the question but there are no answer choices, so if you could add that maybe I could help! :)
Answer:
-11
Step-by-step explanation:
-14+3=-11
Answer:
yoo echo stop deleting my answers bro
Step-by-step explanation: