Do any of y'all know how to do this I'm so confused and I need help ​plz show ur work btw

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

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

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.