Answer:
<em>343 metres per second
</em>
<em>In dry air at 20 °C (68 °F), the speed of sound is 343 metres per second (about 767 mph, 1234 km/h or 1,125 ft/s).</em>
<em></em>
Answer:
36.72
Step-by-step explanation:
if I'm wrong could you please tell me? good luck and if you have any other question you can ask me bye.
The answers in order are
Y= 10/4
Y=5/3
Answer:
a regular hexagon
Step-by-step explanation:
6 corners