7) Write in simplest radical form: 192 8) Write in simplest radical form: 3864
9) Write in simplest radical form: V240x®y 16
10) Write in simplest radical form: 144x²y6
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someone please help !!

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