What point do all functions of the form y=bx have in common

explain

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

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?