If we look at our SOHCAHTOA rule:
cos(x) = adj/hyp
The adjacent side of N is 36, and the hypotenuse is 39.
Therefore:
cos(N) = 36 / 39
Answer:
7. (-1, 10)
8. (7,-6)
9. C
10. One solution, Infinitely Many Solutions, No Solution
11. Adult tickets: 52 Student tickets: 68
-3/22?? I believe that's the answer
Small plane circles the airport the angle of depression would be 180