Write an equation of the line that is perpendicular to 5x+20y=10 and passes through the point (8,3)

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Using elimination, what is -4x+2y=-12 4x+8y=-24

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.