Answer:
the 2nd
Step-by-step explanation:
Answer:
10 kilos
Step-by-step explanation:
5.7 is mass of copper by 49%
Answer: Smoothing constant
Step-by-step explanation:
Answer:
The answer is A✔✔✔ Hope that helps!!!!
Step-by-step explanation:
When you are looking for perimeter you have to add all sides than the sum is your answer