Answer:
Option 2
Step-by-step explanation:
Mid point theorem:
The line segment joining the mid point of two sides of a triangle, is parallel to the third sides and this line segment is half the length of the third side
One and only one line contains both A and B (assuming, that A and B do not overlap)
Definitely B. Note how the powers of y are presented in descending order by power: y^8, y^7, y^1.