Find the length of each side using the distance formula:, then add all three side length for the perimeter.
 Area is found by multiplying the base by the height by 1/2.
See attached picture for the answer:
 
        
             
        
        
        
2.12+3x=9.45
each juice was about $2.44, so your answer was correct!
        
             
        
        
        
I hope this helps you 
slope=m
(-3,4) x'=-3 y'=4
(4,-1) x"=4 y"=-1
slope formula :
m. (x'-x")=y'-y"
m. (-3-4)=4-(-1)
m.-7=4+1
m=-5/7
        
             
        
        
        
Answer:
Step-by-step explanation:
hello : 
hello :
1) divid by 3 :   27:9= 9/3
2) 9/3 = 3/1
 
        
                    
             
        
        
        
The correct answer is Choice A I hope it helps :)