Answer:
BAC=15
Step-by-step explanation:
angle BOA= 180-30= 150
triangle BAO is
isosceles because it has two equal sides, radii of a circumference so the angles ABO=BAO=(180-150)/2=15
Answer: The percent changed because it increased by 180%.
Step-by-step explanation:
The answer would be line segment.
Answer: 2.5, 5.4
Step-by-step explanation:

Thank you! This helped a lot!!! :)