The width of a rectangle measures (2.9d-9.5f)(2.9d−9.5f) centimeters, and its length measures (4.4d-2.6f)(4.4d−2.6f) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?

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?

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0