Answer:
A. No, this is not a valid inference because he asked only 20 families
Step-by-step explanation:
You cannot assume that those are the only families that would want to go; you have to ask all the families.
Answer:
A = 2.25
Step-by-step explanation:
If you divide 2a = 4.5 by 2 on both sides you will get a = 2.25
Answer:
Yes it is.
Step-by-step explanation: