8. Which of the following is a valid conclusion from the given premises? "Cecilia is a veteran singer. All veteran singers are not amateurs." *

A. Cecilia is not a veteran singer.

B. Cecilia is an amateur.

C. Cecilia is not an amateur

D. Cecilia will not compete to international contests.

9. Which of the following statements best describes an angle bisector? *


A. It is a line segment that is perpendicular to one side of a triangle.

B. it is a line segment that bisects one side of a triangle.

C. It is a line segment that bisects an angle of a triangle.

D. All of the above​