Preheat oven to 350 degrees F (180 degrees C).
Roll Crescent Roll Dough (1 package) out onto a baking sheet.
Bake according to package directions until golden brown (about 12 minutes). Cool completely.
In a medium bowl, combine Cream Cheese (8 ounce), Mayonnaise (1/2 cup), Ranch Seasoning Powder Mix (0.5 ounce). Spread evenly on the cooled crescent dough.
Sprinkle the Mixed Vegetables (2 cup) on top of the cream cheese mixture. Press the vegetables gently into the cream cheese.
Cut into serving sized pieces and serve immediately or chill.