You like the size of your mp3 player. the width is 4 centimeters. the length is 7 centimeters. the height measures 1 centimeter. what is the surface area of your mp3 player, in square inches?

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.!