which constant should be added and subtracted to solve the quadratic equation by the method of completing the square (4 x square minus root 3 X + 5 equal to zero)

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?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Need so much on this one how many yards?