Aline is the locus of points that: a. are the same distance from two points. b. are the same distance from one point. c. have the same sum of distances from two points. d. are the same distance from a directrix and a focus.

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