Hello there! 
(-1)^3 * (-1)^2 
Use the distributive property 
= (-1)(-1)(-1)* (-1)(-1)
= (-1)^5 
= -1 
I hope this helps! 
        
             
        
        
        
Answer:
there is a 3/4 chance that they pass will be completed, 3/4=75%. 
Step-by-step explanation:
Thats all I got, I hope this may help tho! :)
 
        
                    
             
        
        
        
Answer: x-3+x+3y
Step-by-step explanation:
Because there is 2 x’s
 
        
             
        
        
        
Answer:
21
Step-by-step explanation: