Does anyone know the answer? (8x+2) What does X equal?

Is there an x intercept in the equation 60*1.15^x

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)

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