If the angle is mesure in RADIANS then the arc is given by r. So first convert 81 degrees to radians, then multiply by r which is 10 x 81=810
        
             
        
        
        
Answer:
2/7
Step to step explanation:
This question is in other words, asking you to simplify the fraction.
Find the GCF and divide both the denominator and numeratior by the GCF.
The GCF of 24/84 is 12.
24/12 = 2
84/12 = 7.
 
        
             
        
        
        
He has $.50 left 
1/2 on baseball cards = $2.00
1/4 on a drink = $1.00
1/8 on bible gum = $.50
Which adds up to $3.50 so therefore he has 50 cents left 
4.00 - 3.50 = .50
        
             
        
        
        
It is not direct variation because it does not follow the equation 
y = slopex
THE points do not make the equation true . 
 
        
        
        
Can you please put the question?