Answer:

Step-by-step explanation:

Let's apply the formula (x+y)² = x² + 2xy + y²
Here, x = -a and y = b
So,
= (-a)² + 2(-a)(b) + (b)²
= a² - 2ab + b²
Hence, it has been proved that (-a + b)² = a² - 2ab + b².
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>
 
        
             
        
        
        
Answer: A. 15
Explanation: 
n is equal to 15 because 15 divided by 5 is 3. therefore, 3 = 15/5.
 
        
             
        
        
        
1/2 of getting an even number and 1/6 of getting a 5.
        
                    
             
        
        
        
Answer:
if it is thren true  (???) you gots to be more specific...pls)
Step-by-step explanation:
is this a trues or false satement