A proportion is two ratios equivalent to each other
 
        
             
        
        
        
Answer:
-7 , -5
Step-by-step explanation:
use the AC method, find two numbers that multiply to 35 and add to 12. those numbers are 7 and 5. then u have (m+7)(m+5), so m = -7,-5
 
        
             
        
        
        
Answer:
$8.40
Step-by-step explanation:
to find discount you use part=%(whole) so you are looking for your part but know the % and whole so you do x=40%(21) and 40%, or 0.4, times 21 is 8.4 so thats your part, 8.4 is 40% of 21 and thats how much youll pay
 
        
                    
             
        
        
        
Answer:
250
Step-by-step explanation:
5171/17
Estimate: 5000/20 = 500/2 = 250
 
        
                    
             
        
        
        
Answer:
17:7
Step-by-step explanation:
Both are even numbers, so both can be divided by two. Once divided by two, they are prime and can no longer be simplified.