Answer:
2cents
Step-by-step explanation:
40/20=2
 
        
             
        
        
        
Hello,
if the solution is infinite : the line x-3y=4 ,
so there is one line and not 2
==>x-3y=4 multiplied by 2
2x-6y=8=Q
Q=8
        
             
        
        
        
Answer:
The answer is below
Step-by-step explanation:
Let Y represent the profit per day, and x represent the number of bar sold per day. Hence:
Y = 0.25x - 2
a) The mean is given as:

b) The standard deviation of y is:

 
        
             
        
        
        
The first picture is for number 1 and the second one for number 2.
 
        
        
        
The answer is A. 88.8 cm2
Work: 
74 x 2 = 148
14.8 = 29.6
Add them = 177.6
then 