Find the sum of the measures of the interior angles of a convex 18 gon

Which choice represents the sample space ,s for this event

In what organelle does photosynthesis take place?

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.!