Is 19:17 because u have to value the number of the first like this 78:807y :997
Step-by-step explanation:
18 seconds to hour
18÷3600= 0.005 hour
accelerstion= velocity÷ time
60 mph÷ 0.005 = 12,000m/h^2
Yes ok it is with a common
I would say addition and multiplication.