Step-by-step explanation:

 
        
             
        
        
        
Answer:
The relationship between the angles is alternate exterior angles. 
Step-by-step explanation:
Exterior means outside.
Alternate means every other or in this case across form each other. 
These angles represent alternate exterior angles because they are on the outside of the transversal and they are alternating each other. 
 
        
             
        
        
        
Answer:
–1 < x < 4
Step-by-step explanation:
Let's solve your inequality step-by-step.
−6<2x−4<4
−6+4<2x−4+4<4+4(Add 4 to all parts)
−2<2x<8
(−2
/2)
<
(2x
/2
)<  (8
/2)
(Divide all parts by 2)
−1<x<4
 
        
             
        
        
        
Answer:
start by placing a point on 9
Step-by-step explanation:
then use "rise over run" ( which is ri/ru) so you go up 3, then over 5. (hope this helps!)
 
        
             
        
        
        
Answer:
Step-by-step explanation:
If you factor the expression 7a+21 you can get:
7 × (a+3)