Ms. kwan’s class is playing games using circular parachute during recess. the parachute has a radius of 8 feet. what is the area of the parachute

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