Answer:
11.27
Step-by-step explanation:
A. 9 3/4 hours
b. i’m not too sure :)
Since these are supplementary angles (two angles which sum to 180°) we can say:
4x+x=180 combine like terms on left side
5x=180 divide both sides by 5
x=36°
The answer is B. 9
Hope this helps
