Are the three angles in a triangle complementary, supplementary, or neither

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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.