It takes me 20 minutes to do my math assignment for the day. I have been lazy and I spend 2 hours and 20 minutes doing my work last night. How many assignments did I finish?

Really need on these. i have no idea what to do

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.

Which inequality has a dashed boundary line when graphed ?