Answer:
The difference is 4–3. If you want the difference between 3 and -4, then the difference is 7.
Step-by-step explanation:
Answer:
The mean depends on the no. of family members but the question hasn't mentioned it. So I have no idea what to do with this.
Answer:



Step-by-step explanation:
Given



a: Reflect over x-axis
The rule of this is:

So, we have:



b: Shift 3 units left
The rule of this is:

So, we have:





