The length of a rectangle is 4 cm longer than its width. if the perimeter of the rectangle is 40 cm, find its area

Which is the completely factored from of xy^3-x^3y

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74