Answer:
4/5
Step-by-step explanation:
20/25 = 4/5
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
Answer: A. It is more susceptible to bias than would be a simple random sample.
hope this helps
The vertex of the graph is (2,-4). It is a minimum as it is the lowest point on the parabola facing upwards. This would be option C.