Select the Header row option if you want to include column headings in the sorted table.

The BTK case involving Dennis Rader involved serial killings that began in 1974 and ended in ________

a. 1975 b. 1981 c. 1985 d. 1991

The __________ is added to the beginning or end of a number to validate the number's authenticity.

A. security digit B. token digit C. verification digit D. check digit