Answer:
x=u+k
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
d{0 less than or equal to x less than or equal to 20, xer}
r{0 less than or equal to y less than or equal to -6,yer}
Step-by-step explanation:
 
        
             
        
        
        
Answer:
D. x + 2y² - 7
Step-by-step explanation:
it because it has 3 terms
 
        
             
        
        
        
Answer:
c) 255
Step-by-step explanation:
d isn't divisible by 5 and both a and b aren't divisible by 3
 
        
                    
             
        
        
        
Slower on the second attempt because 1/12 =0.083
Repeating
While 1/10 = .1