Answer and explanation:

(x + 6)(x + 7)
List the multiples of 42
42: 1  2  3  6  7  14  21  42
Then see which of the multiples add up to 13
1 x 42 = 42 --> 1 + 42  13
 13
2 x 21 = 42 --> 2 + 21  13
 13
3 x 14 = 42 --> 3 + 14  13
 13
6 x 7 = 42 --> 6 + 7 = 13
 
        
             
        
        
        
Answer:

Step-by-step explanation:
So, for 60 square feet they charge = 287
So, for 1 square foot they charge = 
If they charge the installation fee this becomes = 
We can write an equation to calculate cost by using this 
Where x is the amount of square foot
 
        
             
        
        
        
X is equal to 8. The work for that is on the attached picture.
 
        
        
        
Answer: 3 and 13 the solution to the equation is 39
Step-by-step explanation:
 
        
             
        
        
        
hey what's up! the answer is c