How do you order fractions properly?

Which of the following contains a variable?

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0