9ths answer. 113.112 ~ 113.1
        
             
        
        
        
Answer:
b. 
Step-by-step explanation:
The scale factor is the number by which one must multiply all sides in a triangle such that its sides are the same as another triangle. This only works in similar triangles (triangles where all of the angles between them are congruent or have the same measures).
 
        
             
        
        
        
Answer:
the answer is B 
Step-by-step explanation:
Each mark represents 20%, you move right three times. 20x3 = 60
60% 
 
        
             
        
        
        
Answer: 8x+12 
Distribute the 4. So, 4(2x)+4(3). Then you end up with 8x+12.