Answer:

Step-by-step explanation:
When choosing equations to write, make sure you choose a pair that allow you to isolate a variable and solve for it.
Sample solution:



Answer:
The answer is B
Step-by-step explanation:
Answer:
Step-by-step explanation:
The question got caught off. Can't read any of the other examples. I can tell you though that ice melting is a physical change, not a chemical change.
Answer:
300 mm squared
Step-by-step explanation: