We have

Multiplying through by 1100,


Squaring (which means we need to check later), 





Clearly there's no way that giant number would work; must be extraneous.
Answer: 3.94
Merry Christmas!
 
        
             
        
        
        
Answer:
Part A: Scale is 0.5
Part B: (4, 0) (3, -1) (-1, 2)
Part C: Yes
Step-by-step explanation:
sorry can't be bothered writing explanation
 
        
             
        
        
        
Answer:
B.   6:00
Step-by-step explanation:
There are 60 minutes in one hour.
To calculate 40 minutes after 4:40, separate 40 minutes into two lots of 20 minutes.
⇒ 4:40 + 20 minutes = 5:00
⇒ 5:00 + 20 minutes = 5:20
Therefore, 40 minutes after 4:40 is 5:20
To calculate the time that 5:20 is 40 minutes before, add 40 minutes to 5:20
⇒ 5:20 + 40 minutes = 6:00
Therefore, the solution is option B. 6:00
 
        
                    
             
        
        
        
The first option is correct
        
                    
             
        
        
        
Let length of rectangle=x and width be y
.`. area=x*y
now new length=x+12x/10=22x/10
width=y-y/5=4y/5
now .....
new area=new length-new width=22x/10*4y/5
new area=88xy/50