The length of a rectangle is 6 cm shorter than twice the width. the perimeter of the rectangle is 42 cm. find the length and the width of the rectangle show your work

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.