Does anyone know the answer to this?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Write the equation in logarithmic form 8^x=64