To solve this problem you must apply the proccedure shown below:
 1. You have the the<span> 13.5-m fire truck ladder is leaning against a wall and the ladder makes an angle of 39 degrees 45 ' with the horizontal.
 2. Then you have:
 3</span>9 degrees 45'=39.75°
<span>
 Sin(39.75°)=d/13.5
 d=13.5x</span>Sin(39.75°)
<span> d=8.63
 </span>
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
(2x-3)(4x+5)
=2x(4x+5)-3(4x+5)
=8x^2+10x-12x-15
=8x^2-2x-15
 
        
                    
             
        
        
        
2 inches in between each, start off on the edge go in 3 inches secound brace, than finsh on the final edge
        
             
        
        
        
Answer:
5,280
Step-by-step explanation: