You would divide 8 by 9, because the is inside the bracket division sign.
Hope this helps!
1) 3
2) 8
3)10
4)-4
Hope this helped

Translate the words into math and solve for x. Any questions let me know.
Answer:
36.7 degrees. A straight line is 180 degrees.
Step-by-step explanation:
If this an angle on a straight line the answer is k=73°