10 years. Bill is 25, his sister is 5, and their mother is 60.
Answer:
7000
Step-by-step explanation:
If acr AC is one fifth of the whole circle, angle AOC is 1/5 of 360,
angle ABC is half of angle AOC, so the m∠ABC=36
Answer:
4/7=116/203
Step-by-step explanation:
This is for the one with the green background :) I corrected a few of the errors that collided with the answers for the 3 qns you didn’t know. Hope this helps!!!