<span>l 18+7 l / 10 - l -16+26 l /6
= 25 / 10 - 10/6
= 5/2 - 5/3
= 15/6 - 10/6
= 5/6
answer </span><span>5/6 (3rd choice)</span>
Answer:
ob is a ray between OC and OA... may it help you
Maybe using a protractor might help. But know that a straight angle equals 180. I don't really understand it. But use the <span>Pythagorean Theorem so a^2+B^2=c^2</span>