No Jane is not correct she has 25 cents where john has 30 cents
        
             
        
        
        
Answer:
17.78×9.208×4.445=727.7275768
D=mass÷volume 
mass=density×volume
mass=19.3g/cm3×727,7275768=14045,14223224=14045grams 
 
        
             
        
        
        
Answer:
b = 8
c = 16
Step-by-step explanation:
From the given right triangle,
a =  , m(∠B) = 30°
, m(∠B) = 30°
By applying sine rule in the given triangle,
cos(B) = 
cos(B) = 
cos(30°) = 

c = 16
Further we apply tangent rule,
tan(B) = 
tan(30°) = 

b = 8
 
        
             
        
        
        
Circumference=24 pi
Area=144 pi, shown clearly in photo