Hi my school is asking me to do a summer math packet and i don't understand two of the questions. the questions
combine like terms.
1. 5c - 8c 2. 19+ b + 15 - 3b2 + 10b - 17b2
(the 2s in the second problem are exponents)

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