Answer: x=-10
Step-by-step explanation: hope this help 
 
        
             
        
        
        
Answer:
36
Step-by-step explanation:
Substitute the A for the 9, since A=9, and multiply the numbers
 
        
                    
             
        
        
        
You have to square the binomial.
(x^3 + 4y)  (x^3 + 4y)  
Using FOIL:
x^9 + 4(x^3)y + 4(x^3)y + 16y^2
x^9 + 8(x^3)y + 16y^2
You could also use the formula: (a+b)^2 = (a^2 + 2ab + b^2).
        
             
        
        
        
Answer: No
Step-by-step explanation:
The answer to this question is quite simple in the sense that all you need to do is graph the points on a graph and you can easily see that it is not a right triangle.