<span>The second is: You need to arrange nine of your. ... The second is: You need to arrange nine ofyour favorite books along a small shelf. Applying the fundamental of counting principle, How many different ways can you arrange the books, assuming that the order of the books makes a difference to you.</span><span>
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So we want to use the Pythagorean a^2 + b^2 = c^2
The answer is explained in photo. B
 
        
        
        
Answer:
-14-x
Step-by-step explanation:
Distribute the negative.
 
        
                    
             
        
        
        
Answer: 1: x^2 + 25 = 0 x=5
2: x^2 - 11x + 28 = 0 x=7 i think
3: x^2 + 8x + 16 = 0 x=-4
Step-by-step explanation:
 
        
             
        
        
        
Im answering your question bc I need points ty :)