Answer:
5/4
Step-by-step explanation:
2 1/2=5/2
(5/2)(1/2)=5/4
 
        
             
        
        
        
Answer:
2r(2r)
R
Pi/4
Pi times r cubed
Step-by-step explanation: 
Believe it or leave it 
 
        
             
        
        
        
Answer:
An advertisement.
Step-by-step explanation:
It's called a Celebrity Endorsement but it's a subgroup of an Advert.
 
        
             
        
        
        
2. The three points you need to mark on this graph are (1,2) (2,3) and (4,5); you then draw a line through all of these points and determine whether the inches of rainfall is proportionate to the number of hours. 
You mark those 3 points because at 1 hour, 2 inches of rain has fallen; at 2 hours, 3 inches of rain has fallen; and at 4 hours, 5 inches of rain has fallen 
        
             
        
        
        
Answer:
x+5 is the factor..
Step-by-step explanation:
xsquare + (8+5)x + 40
or, xsquare +8x+5x+40
or, x(x+8)+5(x+8)
(x+5)(x+8)