Answer:
1. It means that m equals 7.5
2. It means 4.5 plus s equals m
3. It means n times s equals 6
4. It means m plus n times s equals t
Step-by-step explanation:
Source: Just trust me bro
 
        
             
        
        
        
76+20x
factor out 4
4 (19+5x)
so one possible dimensions of the rectangle is 4 by 19+5x
        
                    
             
        
        
        
Answer:
It has 6 vertices. As what you listed 06. 
 
        
             
        
        
        
Answer: r=3v/2nh
Step-by-step explanation: