Since 5 is in the hundreds place, the value of the 5 is 500. 
        
             
        
        
        
9514 1404 393
Answer:
   x = 7
Step-by-step explanation:
The segment marked 6x is the midline of the triangle, so is half the length of the base.
   6x = 1/2(84)
   x = 42/6 = 7
The value of x is 7.
 
        
             
        
        
        
Answer:
B. 
 
Step-by-step explanation:
Total surface area of the square pyramid 
= 4 times the area of one triangle + Area of square 

 
        
             
        
        
        
Answer:
12
Step-by-step explanation:
12^2 is the greatest number that is closest to 148. then there is 4 as the smaller number 12-4=8 
144+4=148