Answer:
B. - 0.9
Step-by-step explanation:
All option represent cases of negative correlation, in which an change in independent variable means a change in dependent variable in reverse. A lesser value means a stronger negative correlation. Therefore, the right answer is B.
56.5
circumfrence is 2 pi R
If the radius is 9=R
then the circumfrence is 56.5
2) Exact
3) Exact
4) Exact
5) Approximation
