Is 2.3 + (-2.4) positive number

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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.

Which number line correctly shows 0.8 + 0.3?