Answer:
66
Step-by-step explanation:
 
        
             
        
        
        
Answer:

False
Step-by-step explanation:

You substitute  for the second equation.
 for the second equation.

Then you have to distribute  .
 .

Combine like terms.

 
        
                    
             
        
        
        
The answer is B through ASA (Angle-Side-Angle) similarity criterion.
        
             
        
        
        
5.21 would just be 5 or 5.2 depending on what place you need to round.
        
                    
             
        
        
        
Answer:
Darin drove '2m - 20' miles.
Step-by-step explanation:
We are given that Sam drove 'm' no. of miles.
As, it is also given that Kara drove twice as many miles as Sam. Therefore we get that Kara drove '2m' no. of miles.
Now, it is given that Darin drove 20 miles fewer than Kara .i.e. Darin drove '2m - 20' no. of miles.
Hence, in terms of m, Darin drove '2m - 20' miles.