Is there more options because somethings missing
        
             
        
        
        
Answer:
a < 42
Step-by-step explanation:
Question : 4a + 9a - 6a < 42
Answer : 
4a + 9a - 6a < 42
Combine like terms.
13a - 6a < 42
7a < 42
Divide both sides by 7.
a < 42
Hope this helps you :-)
Let me know if you have any other questions :-)
 
        
                    
             
        
        
        
Answer:
x = 11.2
Step-by-step explanation:
hypotenuse = 8.4 (radius) + 5.6 = 14  
using the Pythagorean theorem:
x² = 14² - 8.4² = 196 - 70.56 =125.44
x = √125.44 = 11.2
 
        
             
        
        
        
<h3>
Answer:</h3>
5/2
<h3>
Step-by-step explanation:</h3>
The ratio of perimeters is the same as the ratio of corresponding sides:
... (140 cm)/(56 cm) = 5/2
 
        
        
        
The mean of a frequency distribution is given by
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