(2165-59)/3=
.............
        
             
        
        
        
Answer: (1+2a)^2 or (1+2a)(1+2a)
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
960! 
Step-by-step explanation:
25/5=5. 400/5=80. 80 people would enter in 5 minutes. 5x12=60, and 80x12=960!
 
        
             
        
        
        
Answer:
x= 7
Step-by-step explanation:
It's a 45 45 90 triangle
The legs are = x while the hypotenuse is x  .
.
Therefore the answer is 7