Hey there! :)
Your answer is: Between 11 and 12
11² = 11 × 11 = 121
12² = 12 × 12 = 144
129 is between 121 and 144
Hope this helps :)
        
             
        
        
        
Simply do 297500/350000 and you would get 85%
        
             
        
        
        
Answer:9 nickels and 19 dimes.
Step-by-step explanation:
Let  be the number of nickels Kay has.
 be the number of nickels Kay has.
Let  be the number of dimes Kay has.
 be the number of dimes Kay has.
Value of  nickel is $
 nickel is $
Value of  nickels is $
 nickels is $
Value of  dime is $
 dime is $
Value of  nickels is $
 nickels is $
Given that Kay has a total of  coins.
 coins.
So, ...(i)
                                                ...(i)
Given that Kay has a total value of $
So, ...(ii)
                                 ...(ii)
Using (i) and (ii),


 
        
             
        
        
        
The conversion is 9*9=81 
The conversion is true
        
             
        
        
        
Lol I'm glad to answer your questions :D
So in the last question, it uses the word "per" which basically means you would have to multiply the number of pounds times 1.69
So it would be $1.69a