Answer:
   $192
Step-by-step explanation:
  2400 / 48 = 50
  50 * $3.84 = $192
 
        
                    
             
        
        
        
(4/9)/(2/3)/(5/6)
First, invert and multiply. / Your problem should look like: 

 × 
 Second,
 Second, invert and multiply. / Your problem should look like: 

 × 

 × 
 Third,
 Third, apply this rule: 

 × 

 . / Your problem should look like: 
 Fourth,
 Fourth, simplify 4 × 3 × 6 to 72. / Your problem should look like: 
 Fifth,
Fifth, simplify 9 × 2 × 5 to 90. / Your problem should look like: 
 Sixth,
Sixth, simplify. / Your problem should look like: 

Original answer
: 
Answer as decimal: 0.8
 
        
        
        
Answer:
117
Step-by-step explanation:
f(x) = 21x + 12
f(5) = 21(5) + 12
f(5) = 105 + 12
f(5) = 117
 
        
             
        
        
        
2*(-11) if its multiple choice but im not sure
        
             
        
        
        
Answer:7.50x6.74 =50,5500
Step-by-step explanation: