Plz help! this was due yesterday. Part A: Create a fifth-degree polynomial in standard form. How do you know it is in standard form?

Part B: Explain the closure property as it relates to addition of polynomials. Give an example.

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.!