Answer:
315 m/s = 1134 km/h
Step-by-step explanation:
Multiply the speed value by 3.6
315 x 3.6 = 1134
boiling and melting
Answer:-8d -9dd
Step-by-step explanation:I looked it up :)I'm not good at math so yeahhh but I hope this is right but if not I'll try again