Please HELPP me.

This is about circle theorems. someone asap : (

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

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.