Step-by-step explanation:
For no 1...
The range is [ -9, -7, 1]
For no 2....
The range is [-12, -10, -2]
For no 3.....
The range is [-11, -8, 4]
25% 6 divided by 24 will give you the percentage of copper in the bar
Answer:
I think its the last one
Step-by-step explanation:
Answer:
Infinite Solutions.
Step-by-step explanation:

Subtract m from both sides:



Both sides are equal.
This means that the value of m does not affect the end result of 7 = 7, which is true. Thus, there are infinite solutions as any value of m will still make the equation true.