It’s c because it’s a increase in their water bill $5.19
        
             
        
        
        
Answer:
B
Step-by-step explanation:
 
        
             
        
        
        
Answer:
i just started sorry but i try uh is hard please don't 
Step-by-step explanation:
 
        
             
        
        
        
Answer: the answer is A
Step-by-step explanation: because the original question does not state that the swimmer “randomly selected” the members. It only says the swimmer “selects” 10 members. Therefore, it is A (The sample is not random)
youre welcome
 
        
             
        
        
        
Only one because there is one variable and the combined coefficients of x are non-zero.
(0.75(x+40)=0.70(x+20), 0.05x=14-30=-16, x=-320)