Answer:
-20
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
The two numbers are 54 and 2
Their sum = 54 + 2 = 56
Their product = 54 x 2 = 108
 
        
                    
             
        
        
        
Answer:
18 roses
Step-by-step explanation:
In the given stem-leaf chart, 18 is the smallest number having 1 as "stem" and 8 as "leaf".
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Each pair of vertically opposite angles are equal. If you mean vertical angles as in 90 degrees, you should qualify the question
Each pair of alternate interior angles is congruent (think it should be are congruent).
Each pair of corresponding angles is congruent