F(x)= -3x+7 what is f(-20)?

What is the radical expression that is equivalent to the expression 27 1 over 5?

What is r i 4.5+10r=-6.5 with work pls

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.