Answer:
a) 7x-2
b) 28x-8
c) length of a side: 26 in, perimeter: 104 in, area: 676 square inches
i’m not quite sure abt c but i hope this helps :)
 
        
             
        
        
        
Answer:
True 24=24
Step-by-step explanation:
4+8+12=3x8
12+12=24
24=24
 
        
             
        
        
        
Answer:
the answer hopefully should be 1
 
        
                    
             
        
        
        
Answer:
10 2/3 cars 
Step-by-step explanation:
We can use a ratio
4 cars            x cars
------------- = -----------
3 hours          8 hours
Using cross products
4 *8 = 3 *x
32 = 3x
Divide each side by 3
32/3 = 3x/3
10 2/3 cars 
 
        
             
        
        
        
Answer:
see explanation
Step-by-step explanation:
Given

= 
= 
Rationalise the denominator by multiplying the numerator/ denominator by 
Note that  ×
 ×  = a
 = a
=  ×
 × 
= 