B because it’s a random sample and it’s not biased
Answer:

Step-by-step explanation:






$3,427 because you take 149000 and multiply by .023 for 2.3%.
Answer:
Closed boundary point
Step-by-step explanation:
It says greater than OR equal too and having a closed boundary will indicate that 21 is apart of the inequality also.
I hope this helps
Answer:
I think it is 52 degrease
Step-by-step explanation: