Answer:
1 ) alternate interior angle
2) corresponding part of congruent triangle
3) vertically opposite angle
4)∆HED congruent to ∆FEG
5) parallel lines and alternate interior angle
Answer:

Step-by-step explanation:
let the number be n , then
4 - 4n = 2n ( add 4n to both sides )
4 = 6n ( divide both sides by 6 )
= n
The number is 
Answer:
0.2 i think
Step-by-step explanation:
Answer:
b =0
Step-by-step explanation:
The only value where |b| = -b is when b=0
|0| = -0
0 = 0
Absolute value means non- negative
non-negative = negative
This is only true when we equal zero
Answer:
6r+7=13+7r
6r+7=7r+13
6r+7−7r=7r+13−7r
−r+7=13
−r+7−7=13−7
−r=6
= 
r=−6
Step-by-step explanation:
:) This is the answer