6. In the reaction:
H SO, +H,0 <> H2O + HSO4
Which two are proton donors?
(1) H,80, and H2O (3) H20 and H,0*
(2) H_SO, and HSO, (4) H2O and HSO,-

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.!