24 foot board... I added a picture for the break down
 
        
        
        
Distribution is multiplying. So
6(12)-6(5)
72-30
42
        
             
        
        
        
Answer:

Step-by-step explanation:

(x₁, y₁) is the 1st coordinate while (x₂, y₂) is the 2nd coordinate.
Gradient of the line



 
        
             
        
        
        
You will end up with 8 bc if you cut it in half it is dividing so you would do 4×2 and the answer is 8
        
                    
             
        
        
        
Answer:
d. 132
Step-by-step explanation:
12 + 8 x 15
do 8 x 15 first because PEMDAS
12 + 120
132