Riggoletto's Portraits specializes in making circular portraits of people. A large portrait is 18 in. in diameter. A medium portrait is 6 in. in diameter. Estimate the difference between the areas of the two sizes of portraits. Use 3.14 for T. Round your answer to the nearest whole number.​

Pranav and molly are selling pies for a school fundraiser. customers can buy blueberry pies and pumpkin pies. pranav sold 6 blueberry pies and 4 pumpkin pies for a total of $106. molly sold 6 blueberry pies and 3 pumpkin pies for a total of $90. find the cost of each of one blueberry pie and one pumpkin pie