Q IF 2x^3+ax^2-bx-15 has 2x+3 as a factor and leaves a remainder -5 when divided by (x-1),find the value of a and b

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