I don't know this please help give brainlest

What is the range of the data below? .8090100

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.