After six hours, the bright, hot sun became unbearable. 
Right answer ^^^^
        
                    
             
        
        
        
Y=5-2x
x^2 + (5-2x)^2 = 25
x^2 + 25-20x+4x^2 = 25
x^2 +4x^2-20x+25=25
5x^2 -20x=0
x=0 and y=5
        
                    
             
        
        
        
Answer:
her mom spent 11 dollars
Step-by-step explanation:
20-9 is 11
 
        
                    
             
        
        
        
Chloe can buy 7 pencil boxes and have 1 dollar left
        
             
        
        
        
Answer:
called unit rate .
Step-by-step explanation: