At the gym, hillary swims every 6 days, runs every 4 days and cycles every 16 days. if she did all three activities today, in how many days will she do all three activities again on the same day? gcf or lcm

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