What is this answer i don't understand how to figure it out

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.