Arectangular garden has a walk around it of width x. the garden is 18 ft by 13 ft. write a function representing the combined area, a(x), of the garden and walk. write as a polynomial in standard form.

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.