What is the length of the side ab of parallelogram abcd

How do you determine whether a relationship represented as as graph is linear or nonlinear

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.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?