Answer:
It's discrete and non-linear
Step-by-step explanation:
it is not continuous and linear because it does not form a line going in one direction the entire time
Answer:
it would be the Adjacent side (8) over the Hypotenuse, or the longest side which is 10. an easy way to remember this is CAH or Cosine=Adjacent/Hypotenuse
Answer: 
Work Shown:

This can be rewritten into 
Answer:-74
Step-by-step explanation: When you are in the megatives, less is more! So -74 is actually greater then -75