Cookie Cake is in the form of a circle.
Radius of circle = 1/2 * diameter of circle = 1/2*13=13/2=6.5 in
Thus the Area of the circle = 
= 

Area of a fourth of the Cookie cake 
25
48
29.5
18.18 are the four answers respectively
Answer:
A) $14/hr B) Austin
Step-by-step explanation:
A)
If he earns $140 in 10 hours you can divide 140 by 10 to find out how much he makes per hour
B)
Sarah makes $13/hr which is $1 less than Austin