I believe the answer would be 171.5 because the 343m/s is the speed but it only lasted for half a second so divide 343 by 2 and you get 171.5. hope this helps
Answer:
Step-by-step explanation:

Answer:
-6×12×-1=72
Step-by-step explanation:
just note that abs(k)
when k<0
is -k
What the hell am I trynna answer here, there is no question
A quick way to do this is:

Therefore the temperature rose 6 degrees Celsius. I hope this helps! =)