Help pls I don’t understand at all and need work shown if possible

With #! i’ve tried to figure it out but i can’t.

Find the missing dimension! need asap! tiny square is a =3025 in ²

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.!