No question here ok thanks

What is the value of x? enter your answer in the box. photo attached.

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?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?