At 8: 00 am, a building casts a shadow 75 feet long. the angle where the ray from the sun met the ground is 50°. how tall is the building?

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