Answer:
4
Step-by-step explanation:
Brackets always mean "DO THIS FIRST!!!"
2+6 = 8
Then, do 3 x 8. That is 24.
24 divided by 4 is 6.
6 - 2 is 4!
pi/18
To change from degrees to radians, we multiply by pi/180
10 * pi/180
1: 5
2: 1
3: -11
4: 0
5: 22