Answer:
4.4
Step-by-step explanation:
16.8 was for 4 hour
divide 4 by 16.8 
you get 4.2 per hour
so you need 1 hour
1 hour would be 4.2
temp would be -4.2 at 9pm
 
        
                    
             
        
        
        
Answer:
6. 130/130.5 
7. C, 14 pink roses and 26 red roses
8. A, 18 model cars and 27 model airplanes
9. $359.10
Step-by-step explanation:
Number 6 involves two potential answers because although 30% of 435 is 130.5 you cannot have half of a person at a baseball game. 
 
        
             
        
        
        
Answer:
x = 8
Step-by-step explanation:
Given
- x = - 8 ( multiply both sides by - 1
- x × - 1 = - 8 × - 1, that is
x = 8
 
        
                    
             
        
        
        
Answer: 28,345.72
Step-by-step explanation:
46.93×60
 
        
             
        
        
        
Area of the triangle: 1/2 x 6 x 8 = 24 square ft.
Area of half circle: 1/2 x 3.14 x 4^2 = 25.12 square feet.
Total area : 24 + 25.12 = 49.12 square feet.