1In small microwavable bowl, place peas and water. Cover with microwavable plastic wrap, folding back one edge 1/4 inch to vent steam. Microwave on High 4 to 6 minutes, stirring after 2 minutes, until tender; drain. Let stand until cool.
2Meanwhile, in small bowl, mix yogurt, mayonnaise, vinegar, sugar and salt.
3In 1 1/2- or 2-quart glass bowl, layer coleslaw mix, carrots, tomatoes and peas. Spread mayonnaise mixture over top. Refrigerate 15 minutes. Toss gently before serving.