Step-by-step explanation:
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The least common denominator would be 9, because 
a. you can't take 3 out of two in 2/9
b. you can multiply 2/3 by 3 to make 6/9
so the LCD is 9
        
             
        
        
        
If she can only work 15 hours a week and earns $7 per hour, just multiply 7 by 15 and you'll have your answer :)
        
             
        
        
        
Answer:
c
Step-by-step explanation:
 4x = 20
--------------
 4
x = 5 
*20 divided by 4 equals 5*
 
        
             
        
        
        
Answer:
200
Step-by-step explanation:
Mode is the highest frequency of <em>1</em> number. In this case, 200 shows up the most. Therefore, your answer is C.