Answer:
A multiple is a number that can be divided by another number a certain number of times without a remainder. A factor is one of two or more numbers that divides a given number without a remainder.
Example:
2 is a factor of 8.
8 is a multiple of 2.
Step-by-step explanation:
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The way to get the equation for the radius (r) is to get r by itself. So divide each side by 4pi 
500/4pi=r^2
Now take the square root of each side to get the equation of r.
sqrt(500/4pi)=r
        
                    
             
        
        
        
The equation of proportional situation is y = ax.
Therefore your answer is y = -2x + 14
 
        
                    
             
        
        
        
Answer:
What is the average rate of change from x = −4 to x = 1? x= -4 x + 5