Answer:
C
Step-by-step explanation:
circumfrence= 2πr
56.52=2πr
divide both sides by 2π to get your answer
r=9
C
The amount on interest he earned is $5116.8
Step-by-step explanation:
Given,
Principal(P) = $16400
Rate of interest(R) = 3.9%
Time(T) = 8 years
To find the interest
Formula
Simple interest = 
Hence,
The interest =$ 
= $5116.80
Answer:
18.5
Step-by-step explanation:
Just add 18.5 and 55.50 and repeat with the other numbers
The median is the middle number, the range is the difference between the lowest and highest values(subtract the lowest number from the highest number) and the mode is the number that appears most often in a set of numbers
Hope this helps