Find the x and y intercepts

7x - y = 28

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?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?