Please help with this medium difficulty problem.​ BOT ANSWERS WILL BE REPORTED.

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.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup