Answer:
<h2>294mm²</h2>
Step-by-step explanation:
Surface Area = Sum of Area of all shapes.
There are 6 cubes which have a length of 7mm.
Area = L * L
Area = 7 * 7 
Area = 49mm²
Surface Area = Area of 1 square * Number of Squares
Surface Area = 49 * 6
Surface Area = 294mm²
 
        
             
        
        
        
Answer:
the answer is in fact 7/2
 
        
                    
             
        
        
        
Answer: Lenayah's presentation was 12 minutes long. 
Step-by-step explanation:
- Set up a proportion. 2/3 = 8/x. 
- Cross multiply. 2x = 24
- Divide both sides by 2. x =12
 
        
             
        
        
        
Answer:
   10(7a +5)
Step-by-step explanation:
The greatest common factor of the two terms is 10. Factoring that out gives ...
   10(7a +5)
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Other possibilities for meeting the problem requirement are ...