I think the answer would be D. 10 is closest to 0.9997
To answer you get the same denominator so multiply both denominators with each other and do the same with the top so 25 will be at both bottoms and well 15/25 and 8/25. Then solve
You need the formula C=πd
18*3.14=56.5
so the answer is 56.5
hope this helps
Answer is C weak negavite
weak, because as the value became smaller that 1 the correlation weakens. negavite because it is a negative value (-0.23)