Answer: A
Step-by-step explanation:
Reduce the numbers with 3. Any expression divided by 1 remains the same.
Answer: 20.2 mph
Step-by-step explanation:
Given
Train travels 10.1 miles in half an hour i.e.
Distance 
time 
we know, 
Insert the values

Answer:
Whether a net force acts on the object.
Step-by-step explanation:
Newtons first law states that an object will remain at rest unless it is acted upon by an imbalanced force.
Answer:
4877 fish
Step-by-step explanation:
Each year, the fish population is multiplied by 1-6% = 0.94, so after 8 years it has been multiplied by 0.94^8 ≈ 0.609569.
At that time, the population is ...
8000×0.609569 ≈ 4877 . . . fish