PLEASE SOLVE THE QESTIONS

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

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.!

To decrease an amount by 16% what single multiplier would you use