Answer:
Step-by-step explanation:
let x and y be length and width of rectangle.
Perimeter=2(x+y)
area=xy
2(x+y)=1/2 xy
4(x+y)=xy
4x+4y=xy
x y-4y=4 x
y(x-4)=4 x

 
        
             
        
        
        
Answer:
8
Step-by-step explanation:
23 students -15 students =8students
 
        
             
        
        
        
Mixed numbers are fractions with a whole number. 
For example, 1 2/4, 2/8, and 7 7/8 are mixed numbers.
Hope it helps
 
        
                    
             
        
        
        
Answer:
y-2 = -5x
5x+y = 2 is the required equation of a line.
 
        
             
        
        
        
Answer:
Step-by-step explanation:
are 1 and 2 answers becuas e if  are 2