Answer:
12
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
D
Explanation: All triangles must equal to 180, so we can say that st=ut and that will give us 60 all we have to do now is add 120.
        
             
        
        
        
I Think The answer is a I hope it helps Message Me if I’m wrong and I’ll change My answer and fix it for you
        
                    
             
        
        
        
Answer:
There are 15 men in the dance recital.
Step-by-step explanation:
If 20 people is 4 parts, then 5 people are 1 part. Due to that, 15 people will equal 3 parts.