Permutation or combination?

Rob and Mary are planning trips to 9 countries this year. There are 14 countries they would like to visit. They are deciding which countries to skip?

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.!