Need some help here.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

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