Suppose that 8 identical red wooden blocks and 8 identical white wooden blocks are to be stacked, one on top of another, to form one tall tower of blocks. how many different colour patterns can result?

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.!