-5 is the adjacent side, -12 is the opposite side, the hypotenuse is 13
Cos = adjacent/hypotenuse
Cos = -5/13
The answer is C.
Answer:
15
Step-by-step explanation:

The answer is C
By the way, that expression means "n choose k". Hope I helped!
Answer:
3.141592658
Step-by-step explanation:
Answer:
93
Step-by-step explanation:
<u><em>Add all of the numbers and divide them by the number of numbers there are.
</em></u><em>Hope this helped ·ω·</em>