Answer:3,7,8,2
Step-by-step explanation:I did this question last night
 
        
                    
             
        
        
        
Answer:
3077.2
Step-by-step explanation:
A circle's mass is found by 
Pie times R^2
7^2 is 49, times 3.14 is 153.86
then you Multiply 153.86 by 20 which gives you 3077.2
 
        
                    
             
        
        
        
Answer:
A= $40584.28      
Step-by-step explanation:
P = 36000
r = 12% = 0.12
n = 52 weeks
t = 1

    
 
        
             
        
        
        
Answer:
XZ = 2.5 BD
Step-by-step explanation:
Comparing the two triangles,
 =
 = 
 =
 = 
⇒ XZ = 
          = 15
XZ = 15
So that,
BD:XZ = 6:15
            = 1:2.5
Therefore, the relationship between BD and XZ is XZ = 2.5 BD.