Suppose that a defined population is all men, and a survey is being conducted. which of these is an example of selection bias? a. excluding women from the selection process of the survey b. including men over 50 in the selection process of the survey c. excluding men over 50 from the selection process of the survey d. including women in the selection process of the survey

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.