Answer:
A car travels 75 km in 1 hour; we say that the speed of the car is 75 kilometers per hour, so 75 km/hr.
Answer:10c + 9h
Step-by-step explanation: 4 + 6 = 10
5 + 4 = 9
10 C + 9 H
no need for an equal sign, it is an expression with two terms.
In my opinion A or B would be correct in this scenario.
Answer: 5 sides
Step-by-step explanation: