28 , 8 is your one, 2 is your tens. for the 19, 9 is your tens, and one is your hundreds so your answer is 318
        
             
        
        
        
Answer:
947.74
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
$67.20
Step-by-step explanation:
"30% off" translates into multiplying the original price by 1.00 - 0.30, or 0.70.
0.70($96) = $67.20 is the sales price
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Given
Population changes exponentially 

 ------1
------1

 -----2
-----2
divide 1 & 2 we get


Substitute  in 1 we get
 in 1 we get 

Thus 
  
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Standard form is Ax + By = C, so we want x to be on the left side
To accomplish this, subtract 1/4x from both sides.

Multiply by -4 to get x to be equal to 1.
