Solve for x; ax=7 i can find 1x or x by on both sides of the equation

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

Can someone me and explain..will award brainlest!

Acar travels 85 kilometers per hour. what is the equivalent speed in meters per hour?