9514 1404 393
Answer:
   B, C
Step-by-step explanation:
The sums are ...
   A) 59.45
   B) 118.16
   C) 18.97
   D) 27.76
Sums B and C have 8 in the ones place.
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You can add the ones-place digits. If the resulting ones-digit is 7 or 8, then add the tenths-place digits. If the carry from that sum, added to the sum of ones-place digits, gives a value of 8 or 18, then you found a sum with a ones digit of 8.
 
        
             
        
        
        
Answer:
30 ft. x 55ft
Step-by-step explanation:
3 x 5.5
1 inch = 10 ft
3 * 10 = 30
5.5 = 55
30' x 55'
 
        
             
        
        
        
Isometric graph paper is a triangular graph paper which uses a series of three guidelines forming a 60° grid of small triangles. The triangles are arranged in groups of six to make hexagons.
        
                    
             
        
        
        
Since 3 divides 42, 3xy itself is the greatest common factor of 3xy and 42xy.
Answer: 3xy