How to do it. how to find the area. how to find the perimeter

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?

Consider the graph of the exponential function y=3(2)×

What function has a range {yly< 5}? question on picture above^