Answer:
See explanation
Step-by-step explanation:
You are given the equation 
1. Add 8 negative x-tiles to both sides of the equation to create a zero pair on the left side. The equation then will have form

2. Add 5 negative unit tiles to both sides of the equation to create a zero pair on the right side. The equation now is

3. Divide both sides by 3:

That statement is true
MO is dropping just in the middle of LON, splitting into two congruent right triangles , so it is perpendicular
hope this helps
Answer:
SUPER SIMPLE =
if r//s then the two angles which in this case are 110 and 80 should be equal but clearly in this case are not so the the lines r and s arent parallel to each other .