△abc is similar to △xyz . also, angle a measures 45° and angle c measures 60°. what is the measure of angle y? show all your calculations!

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad