Choose all the graphical displays that are best for showing numerical data. a. line graph b. bar graph c. histogram d. stem-and-leaf plot e. circle graph f. box-and-whisker plot g. scatter plot

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x