How do I solve 5(24,500)+4b+3(10,100)=$210,400

What is the measure of x, in degrees

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?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)