We don't have a pic. We need one
Answer:9/6 or simplified 1 1/2
Step-by-step explanation:
2.

(this is given in the first sentence)
3.

and

due to ...
7. ... the alternate interior angles theorem (which holds because

and

are parallel)
8. Because the above establishes that

, which means

, which in turn means

is a parallelogram.
The answer is A. slope = 7/3
y-intercept = -3
Good luck!