Answer:
This is a biased sample.
Step-by-step explanation:
This is because she gave a random sample, but the she had the convenience of the students being with her when she surveyed. So it'e not actually random. She could also worded the survey or gave a biased response.
X in this equation is about 4 and a half i know because i used a cacisnatter
Circunference=2 times pi time r
if pi=3 and r=4.5
circunerence=2 times 3 times 4.5=3 times 2 tiimes 4.5=3 times 9=27
answer is 27cm
Answer:
i dont know the question what does it mean
Step-by-step explanation: