A I am pretty sure. I apologize if I am incorrect.
Answer: 
Step-by-step explanation:
Given
Speed of boat 



Answer:
4. 55 (or is that a 56 its a low res image srry)
5. PWA is vertical, nothing is corresponding
6. 8y
7. wap is vertical 9x-2 is corresponding
8. wap is supplementary uyi is corresponding
9. tad
10. rps