Answer:
the equivalent expression is 11
Step-by-step explanation:
the solution is so simple :-
=》4- (-7) 
=》4 + 7
( it became plus because, when two minus (-) are multiplied with each other, then they form plus (+)
=》11
 
        
             
        
        
        
I just checked and the answer should be 3786.25
        
             
        
        
        
The factors of 15 is 5 and 3
        
                    
             
        
        
        
Set the equations equal to each other to find x
x - 2 = 3x + 4
-6 = 2x
x = -3
plug x into either equation
-3 - 2 = y
y = -5
(-3, -5)
the answer is B
        
             
        
        
        
Answer:
I think its, Find the value of x such that PQ = QR, where P , Q, and R are the points (2, 5 ),( x, -3 ), and ( 7, 9 ), respectively.
Step-by-step explanation: