Answer:
cos X = 
Step-by-step explanation:
simplify 15/39
4 is the answer because there are only 4 numbers greater than 10.Those are the people who ride bikes ore than 10 times.
52^ 2 because this is equal to the area which is 2704 sq ft. So 52 to the second power is your answer. 52 ^2
Hope this helps! :)
The easiest way to determine the score is to use a calculator or spreadsheet and the appropriate probability function.
If you want the top 10%, the score corresponds to the 90th percentile. That score is 316.
If you want the top 15%, the score corresponds to the 85th percentile. That score is 313.