a number icosahedron has 20 sides numbered 1 through 20. what is the probability that the result of a roll is a number less than 4 or greater than 11​

The total number of dental clinics total for the last 12 months was recorded

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

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