What is the value of (g-f(2) ?

Me. i can't figure out this question. give an explanation too. .

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.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.