What is the mean of this data? 12, 18, 11, 25, 38, 22

Write the fraction or mixed number and the decimal shown by the model

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost