Assuming the sequence goes on like this 11,-33,99,-297,891,...,
its general formula is

So, the 9th term is
He would need to exercise for approximately 14 minutes to get to 120 bpm
Answer:
28.27
circumference of finding a circle divided by two.

(2×3.14×9)/2
56.55/2
28.27
Ok........
How many were severe
64.47
How many total injuries in total
(I think) 783.154
H0P3 It H3LPS :)