The answer is {B} 728x2y3.
3/5 i believe. if you take 7 and divide it by 2 its 3.5.
1. Is angle 2 and angle 5 are supplementary and the reason is the given
4. The answer is L || M because of the converse of the CIA theorem( corresponding interior angles)
Edit: Misread the diagram, the previous answer was wrong.