Something that I’m not sure how to answer f(x) 16362
        
             
        
        
        
176 is the answer hope i helped!
        
                    
             
        
        
        
If the rectangle has a fixed width of 300, it means that

where  and
 and  are width and length, respetively.
 are width and length, respetively.
So given the length  , the are would be
, the are would be

 
        
             
        
        
        
30+x=42 I think because it's has to equal 42 and he already has 30
        
                    
             
        
        
        
Answer:
48 miles per hour
Step-by-step explanation:
If they traveled 2400 miles and the total driving time was 50 hours, divide 2400/50 in order to find how many miles they drove per hour.