What is the formula for the area of a circle? O A. A = 727
O B. A = 20
O C. A = terd
O D. A = 2

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30