12^2+x^2=15^2
144+x^2=225
- 144 -144
 =81= 9 
X=9 
        
                    
             
        
        
        
1 ounce, 10 ounces, 1 pound.
1 pound = 16 ounces
        
             
        
        
        
Answer:
The least common denominator of the fractions is 24
Step-by-step explanation:
we know that
The <u>least common denominator</u> (LCD) is the smallest number that can be a common denominator for a set of fractions
so
we have
7/8
Multiples of 8 -------> 8,16,24,32,...
5/6
Multiples of 6 -------> 6,12,18,24,...
24 is a common multiple of 6 and 8.  It is their lowest common multiple
<em>Alternative Method</em>
we have


The least common multiple are those common and non-common numbers with the greatest exponent
so

 
        
             
        
        
        
Answer:
36 stickers 
Step-by-step explanation:
7 erasers in each bag
7 x 3 bags = 21 erasers total
57 - 21 =36
Equation:
Total items = 7x + 12y
 
        
             
        
        
        
4 fries + 6 cheeseburgers = $52
3 fries + 2 cheeseburgers = $24
9 fries + 6 cheeseburgers = $24×3
 = $72
$72-$52=$20
5 fries = $20
1 fries = $20÷5
 = $4
1 cheeseburger = [$24 - (3×$4)]÷2
 = $6