<u><em>Answer:</em></u>
<u><em>Step-by-step explanation:</em></u>
<u><em>31-16=15</em></u>
<u><em></em></u>
<u><em>~Brainly would be appreciated~</em></u>
<u><em>-~Gavin~</em></u>
Answer:
5 meters
Step-by-step explanation:
A=a+b/2*h
40=10+6/2*h
40=8h
h=5
-5 feet below
Um thanks for the free points but ok .-.