Cook noodles according to directions on the box. Strain. Add noodles to a big Tupperware bowl. Add Olives, Pimentos, Mushrooms. Take broccoli and with kitchen scissors cut off Broccoli flowerettes discard stems. Add broccoli flowerettes to noodle mixture. Add 3/4 of each bottle of the salad dressings. Stir and refrigerate. Stir after a few hours.