Answer: c = 9
Step-by-step explanation:
12-9=3+9=12
Answer:
85 degrees
Step-by-step explanation:
Theses angles are the same because its parallell
Using a Laplace expansion along the first column, we have

The determinant of a 2x2 matrix is trivial,

So we have

Whats the question? i really cant answer without the full question, like yeah protein shakes and donut holes go them