A group of 6 students was asked, "How many hours did you watch television last week?" Here are their responses. 11, 17, 13, 11, 5, 19 Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Precalculus question, image attached.

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6