Hello! 
Answer:
12(3+4+5+...+12+13)= 1,056
Step-by-step explanation:
 After evaluating the expression it gave me : 1,056          
Hope this helps!   
 
        
             
        
        
        
Rational is a number that can be expressed as a ratio of two in tegers where denominator is not equal to 0 is called a rational number.
        
             
        
        
        
 3 to the power of 5 
 
 you multiply 3 times 5 instead of 3 times 3 times 3 times 3  times 3  
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 Volume of sphere = 1766.25 cm^3
Step-by-step explanation:
The radius of sphere = 7.5 cm
Volume of sphere = ?
The formula used is:

Putting values:

So, Volume of sphere = 1766.25 cm^3
Keywords:  Volume of sphere 
Learn more about  Volume of sphere at:
#learnwithBrainly
 
        
             
        
        
        
Answer:
i believe its a
Step-by-step explanation: