How do you know a dilation is an enlargement or reduction

What is the measure of angle tvu shown in the diagram below

Is a positive integer raised to a negative power always positive

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.