Answer:
1. No, Joe is not correct
2. 
Step-by-step explanation:
Given: b and c are parallel lines
To find:
1. whether the given statement is correct or not
2. 
Solution:
1.
Sum of two angles that form a linear pair is equal to 
(linear pair)

So, Joe is not correct
2.
If two lines are parallel then alternate interior angles are equal.
As b and c are parallel lines,
(alternate interior angles)
Answer:
12. 7
13. 6
Step-by-step explanation:
We can use substitution to solve this equation in here y=6 and x=0 .
Hope this help you !
False here are extra words tho make 20 words