Answer:
i may be wroung but it should be 90
Step-by-step explanation:
 
        
                    
             
        
        
        
Since they are similar both dimensions would have the same ratio. The ratio of 5 and 15 is 3. 15 is 3 times larger than 5, so the unknown dimension is 3 times larger than the known dimension.
3 x 10 = 30
The unknown dimension is 30
 
        
             
        
        
        
Answer:
19/2
Step-by-step explanation :
U divide the numerator and the denominator by the same number which is 3 
57 divided by 3 = 19 
6 divid by 3 = 2 
So the answer is 19/2
        
                    
             
        
        
        
Answer:
Years living in the U.S.
How many adults are registered to vote in the upcoming election?
Number of adults over 18
Number of minors in the household
Number of family members residing at the address
Zip code
Step-by-step explanation:
Given the following :
Select the variables which are quantitative :
Quantitative variables may be explained as those variables which are represented numerically or possess numerical attributes. The are usually expressed in numbers. Quantitative variables in the options below are those which will take Numeric inputs. 
Years living in the U.S. = quantitative 
How many adults are registered to vote in the upcoming election? = quantitative 
Number of adults over 18. = quantitative 
Number of minors in the household = quantitative 
Family role of respondent = not quantitative 
Number of family members residing at the address = quantitative 
Ethnicity = Not quantitative 
Zip code = quantitative