80 people were surveyed about their opinion on pizza toppings. 60 people like cheese. 32 people like pineapple. 16 like both cheese and pineapple. How many people liked neither cheese nor pineapple on their pizza?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: