-10
Step-by-step explanation:
x = 10
x2 - 2(x + 5)
10(2) - 2(10+5)
20 - 2(15)
20 - 30
-10
 
        
             
        
        
        
Answer:
The last one of commutative property of addition since there is no swapping of numbers related with addition.  
 
        
             
        
        
        
I=prt
= ($4,500)(0.9)(3.5)
= $14,175
        
             
        
        
        
answer is Lcm which is probaly c
 
        
             
        
        
        
Let x = his wage before his raise.
x + .25x = 343.75
1.25x = 343.75
x = $ 275.00 Was his wage before his raise