Question

http://prntscr.com/6pmzsd

Answer 1

I got D as my answer
... explanation ...

Answer 2

I looked at the graph and looked the parts that were beyond 61-65

Answer 3

Then I added the data from those specific areas

Answer 4

okay

Answer 5

that makes perfect sense xd

Answer 6

The equation for the answer had become 5+2+3

Answer 7

2+3=5
(as u already know)

Answer 8

and 5+5=10
(as u also know)

Answer 9

yes