Jessica casts a shadow 6 feet long. At the same time of day, a tree that is 14 feet tall casts a 17 foot shadow. How tall is Jessica?​

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